Questions LLC
Login
or
Sign Up
Ask a New Question
Categories
Physics
Page 2
Questions
Your cat “Ms.”(mass 9.00 kg) is trying to make it to the top of a frictionless ramp 2.00m long and inclined 19.0 degrees
6 answers
asked by
RaShawnya
6,572 views
A golf ball having an initial speed of 50m/s with an angle of 30 degree what is time of flight and range and velocity it which
4 answers
asked by
Sachin
1,337 views
Which of the following units can be used to measure heat? Choose all that apply.
°C cal K kW kg m2/s2 kg m/s2 °F m/s2 J/s J
4 answers
asked by
Cameron
2,588 views
1.A 4kg ball moving at 8ms-1 collides with a stationary ball of mass 12kg,and they stick together.calculate the final velocity
4 answers
asked by
Cathy bens🐈
1,596 views
A 2200 kg car can accelerate from 0 to 30.0 m/s in 5.5 seconds. What is the power required?
5 answers
asked by
mssailormouth
1,674 views
A body vibrates In S. H. M with a frequency of 50hz and an amplitude of 4cm find the period, acceleration at the middle and at
4 answers
asked by
Segun
1,868 views
Three impedences are connected in series across a 200V,50Hz ac supply. The first impedance is a 10 ohm resistor , the second
4 answers
asked by
Kate
1,643 views
A rectangular block has a length 10cm, breadth 5cm and height 2.0cm. If it lies on a horizontal surface, and has density
4 answers
asked by
Precious
679 views
A teacher had her students write down hypotheses about an experiment. Which is a valid hypothesis?
A. Energy gets transferred
5 answers
asked by
Leo
2,982 views
A 1200 kg car is moving at 95 km/h when the driver notices a deer down the road. He immediately moves his foot toward the brake
3 answers
asked by
James
424 views
If D=5i+6j-3k and E =7i +8j +4k
Calculate,DxE Find the angle between D and E Show the DxEis perpendicular to both D and E
4 answers
asked by
Mengot
458 views
Calculate the eccentricity for the planet of the distance between foci is 5,000,000 km and the distance of the major axis is
4 answers
asked by
Yoo hoo
1,022 views
A charged capacitor will discharge slowly, even if it's terminal are 'open circuit' that is ,not connected to anything this
4 answers
asked by
Hana
191 views
calculate the specific heat capacity of the materials for which the heat supply, mass, and temperature rises are given below:
i)2
4 answers
asked by
Busola
1,488 views
Sputnik, the first artificial satellite to orbit the Earth, had a mass of 83.6kg and travelled at 7574 m/s. The radius of the
4 answers
asked by
Grace
1,928 views
When a butterfly lands 12 cm from a concave mirror, it's image is 18 cm behind the mirror.
Find the focal length
4 answers
asked by
Kayla
738 views
A pilot of mass m can bear a maximum apparent weight 7 times of mg.The aeroplane is moving in vertical circle.if the velocity of
3 answers
asked by
Thousif
1,479 views
An Ideal gas is sealed within a container at a temperature of 17 degree Celsius and a pressure of 101 KPa. The container is
7 answers
asked by
Aboodi
3,323 views
Two charges each of 40 microcoulomb are placed at a distance of 0.4 M. calculate the potential at the midpoint. Dielectric
7 answers
asked by
Prapti
5,283 views
1. The resultant of two forces X and Y will be greatest when the angle between X and Y solve it
7 answers
asked by
Halimoh
3,931 views
A rock is dropped from a high bridge. At the end of 3sec of free fall. The speed of rock is, in centimeters per second
3 answers
asked by
Anonymous
2,978 views
Why does the coasting rotating system slow down as water drips into the beaker??
5 answers
asked by
Rimsha Ahmed
1,425 views
A density glass bottle contains 44.25g of a liquid at 0(c) and 42.02 at 50(c). Calculate the real cubic expansivity of the
4 answers
asked by
Psychokiller
863 views
a screw jack whose pitch is 3mm is used to lift a load of 400kg through a length of 14cm,the length bar of jack is 20cm.if the
4 answers
asked by
El chapo
1,534 views
two point charges +30 and +11 are separated by a distance of 20cm. compute the electric intensity and the force on a +5*10^-6c
4 answers
asked by
Sarah Banks
1,460 views
A uniform stick Ab can be nalanced on a knife edge 10cm from one end when a weight of 200N is hung from that end the 200N weight
6 answers
asked by
Alberta
1,704 views
A 5.0 ohm resistor, a 15.0 ohm resistor and a unmarked resistor are connected as shown with a 15 volt source. The ammeter reads
1 answer
asked by
Khadijah
1,035 views
Two small identical metal spheres, A and B, on insulated stands, are each given a charge of +2.4 10-6 coulomb. The distance
16 answers
asked by
Sarah
4,547 views
A curling stone is moving at a velocity of 8 m/s stops after sliding 5 m across a surface that has 70 N of friction. What is the
4 answers
asked by
Jennie
396 views
A ball is dropped from the top of a building. If it takes 3.00 s for the ball to hit the street below, how high is the building?
5 answers
asked by
Jdreem Thomas
1,928 views
A crate of mass m 1 =12.4 kg is pulled by a massless rope up a 36.9 degrees ramp. The rope passes over an ideal pulley and is
3 answers
asked by
Jason
812 views
A lump of gold is suspected to contain some -quantity of zinc. If the gold sample has a mass of 500g and found to have a density
4 answers
asked by
Anonymous
558 views
A proton moving at 3.0 * 10^4m/S is accelerated by potential difference of 200V, what is its final velocity ?
4 answers
asked by
Amy
690 views
A stone of mass 5g is projected with a rubber catapult. If catapult stretch though a distance of 7cm by an average force of 70n,
7 answers
asked by
Anonymous
2,469 views
a hiker walks 14.7 km at an angle of 35 degrees South of East find the East and North components of this walk
3 answers
asked by
Kaene
348 views
State the law of conservation of linear momentum and describe its consequences
1 answer
asked by
Anonymous
224 views
An automobile of mass 2000kg started from rest position and increased it's speed uniformly to 9m/s in 30s.it maintained this
1 answer
asked by
Aaron
223 views
A geosynchronous satellite has an orbital period of 24 hours so that it stays fixed at a point above Earth’s surface. How far
4 answers
asked by
Hewitt
253 views
A body of mass 50kg is dragged along a horizontal rough surface at a uniform speed of 3m/s. If the dragging from is 15N, find
4 answers
asked by
Foluso Deborah Ayomide
146 views
A rail of length 15.05m increases to 15.10m when heated from 20(degree centigrade) to 41(degree centigrade). Calculate its
2 answers
asked by
Okeke chinaza
139 views
Question
The table below shows the speed of sound in water at different temperatures and salinities. Speed of Sound in Water at
3 answers
asked by
Iwannaknow
431 views
An electric heater raises the temperature of 120g of water in a thin light vessel through 10K in 2mins, when placed in 70g of
4 answers
asked by
Busola
1,246 views
A farmer builds three sections of a fence as shown in the figure where L = 10.00 m, and gets tired. Walking straight back to
4 answers
asked by
Ravi Shankar
2,791 views
In the qualifying round of the 50-yd freestyle in the sectional swimming championship, Dugan got an early lead by finishing the
4 answers
asked by
Bedell
3,358 views
Find the unit vector parallel to the vector : C=12i+24j-8k.
A.9/7i+5/7j+1/7k B.3/7i+6/7j-2/7k. I think B is correct. Please tell
4 answers
asked by
ABC
2,136 views
An extreme skier, starting from rest, coasts down a mountain slope that makes an angle of 25.0o with
the horizontal. The
7 answers
asked by
Eisya
8,208 views
Please help me, I am in dire need of it,
A football quarterback shows off his skill by throwing a pass {5.70 m downfield and into
5 answers
asked by
Kristi
1,538 views
A solid weigh 45N and 15N respectively in air and water. Calculate the relative density
7 answers
asked by
Ademide
2,350 views
A uniform capillary tube closed at one end contained dry air trapped by a thread of mercury 8.5×10^-2m long.When the tube was
4 answers
asked by
Rilwan
2,599 views
Calculate the resultant force acting on body of mass 10kg moving with uniform velocity of 2 meter per second
5 answers
asked by
Aashiq
1,387 views
The density of ice is 9.20x10² kg/m³. An ice cube which is 20.0mm high floats in water. What height of the side of the ice
4 answers
asked by
Anonymous
1,089 views
A 2.9-kg bucket is lifted upward with a force of 46N against the force of gravity. Calculate it’s upward acceleration,
3 answers
asked by
Zak
949 views
A step-up transformer used on a 120 V line has 95 turns on the primary and 2850 turns on the secondary. What is the emf across
4 answers
asked by
Chris
3,026 views
an electric cell of internal resistance of 0.5Π deliver a a current of 2.0A when resistance of 3Πis connected across it. the
2 answers
asked by
Poppy
666 views
A partially inflated balloon contains 500cm3 of helium at 27 degree centrigrate and 1atm pressure. What is the volume of helium
3 answers
asked by
Cathy bens🐈
783 views
A steady current of 2A flows in a coil of emf 12V for 0.4s.
A back emf of 3V was induced during this period. The stored energy in
3 answers
asked by
Merry
677 views
a 2.35 kg water bucket is swung in a full cirlce of radius 0.824 m just fast enough so that the water doesn't fall out the top
3 answers
asked by
Gary
1,158 views
The electronic configuration of an element X is:
1s² 2s² 2p6 3s2 3p5 Deduce the atomic number of X To what group does it belong
4 answers
asked by
Sade
2,608 views
two resistors R1=-4 ohms and R2=5 ohms, are connected parallel across a potential difference. if P1 and P2 represents the power
3 answers
asked by
Robotic
1,377 views
A sound pulse sent vertically downward into the earth is reflected from two different ways of the earth such that echoes are
4 answers
asked by
Zobo
1,009 views
a ship leaves a port p and sail 30km due south. it then sail due west until it reaches a location H which is 60km from the
3 answers
asked by
Black mamba
638 views
what are the S.I unit of K so that the equation Velocity = K x density is dimensionally correct solution?
4 answers
asked by
El chapo
1,400 views
A runner is jogging in a straight line at a
steady vr= 2.1 km/hr. When the runner is L= 4.4 km from the finish line, a bird
6 answers
asked by
Caleb
1,313 views
How do I solve this
A man pulling a bag of sugar with a means of rope inclined at angle 60 degree to the horizontal if the
4 answers
asked by
Angelina
498 views
A 275 kg piano slides 4.2 m down a 30° incline and is kept from accelerating by a man who is pushing back on it parallel to the
4 answers
asked by
Naomi
1,039 views
The following results were obtained from an experiment to determine the density of air given that mass of a bottle contained air
5 answers
asked by
Innocent
1,105 views
A volleyball player serves a ball, giving it an initial velocity of 8.5 m/s [32 up] at an initial height of 1.4 m above the
7 answers
asked by
Mea
1,491 views
A system exhibits simple harmonic motion with a frequency of 0.85 cycles per second. Calculate the acceleration experienced by
3 answers
asked by
Mea
705 views
The flywheel of a drill machine uniformly rotates from 280r/min to 50 r/min in 2 seconds .
Calculate the angular retardation of
1 answer
asked by
Kate
422 views
A spring of force constant 1500nm is acted upon by a constant force of 45n calculate the potential energy stored in spring?
3 answers
asked by
Yusuf
558 views
How long would it take Jesse with an acceleration of -2.50 m/s2 to bring his bicycle with an initial velocity of 13.5 m/s to a
4 answers
asked by
Angel
1,162 views
The crankshaft in your car engine is turning at a frequency of 3000 rpm. What is the shafts angular speed?
3 answers
asked by
Keymoni
476 views
If the linear expansivity of a copper rod is 1.7*10^_5_k^_1, calculate the expansion 10m of copper 50 of when heated from
3 answers
asked by
Sanda
381 views
A 0.65m long cord exerts a centripetal force of 11.6 N on a 0.10 kg mass tied to the end of the cord. What is the tangential and
3 answers
asked by
Staci
355 views
A woman standing on the surface of the Earth, 6.38 x 106 meters from its center, has a mass of 57.0 kg. If the mass of the Earth
4 answers
asked by
Mary
786 views
A block of a wood of mass 30 kg accelerating down a concrete slope incined at 45degree . Calculate the acceleration of the block
4 answers
asked by
Ahlam
503 views
In the spin cycle of a clothes washer, the drum turns at 635 rev/min. If the lid of the washer is opened, the motor is turned
4 answers
asked by
Destiny
1,982 views
a steel meter rule has correct lenght at 28 degree celcius on the day the temparature is 40 degree celicius,it measures the
4 answers
asked by
Hilda
265 views
A machine raises a load to 2m,when the efforts moved by 8m. What is velocity ratio of machine
4 answers
asked by
Abel
291 views
What observation led scientists to postulate the existence of photons?
A) electrons in atoms emitting energy only in certain
4 answers
asked by
Help me pls FAST
877 views
A pipe of radius 6mm is connected to another pipe of radius 9mm. If water flows in the wider pipe at a speed of 2m/s,what is the
2 answers
asked by
Brian
261 views
a sample of air weighing 1.32 * 103 n is confined in a room measuring 9.5m * 5.0m * 2.0m . calculate the sample density
2 answers
asked by
Amy
116 views
A 1.2kg mass attached to spring oscillates with an amplitude of 5.1cm and frequency 1.2Hz what is its energy of motion
2 answers
asked by
Carol
123 views
A uniform have meter rule is freely pivoted at 15cm mark and it balances horizontal when a body of mass 40g is huge from the 2cm
3 answers
asked by
Aishah
102 views
A skydiver jumped from a plane. As she fell, her speed kept increasing until it reached terminal velocity of 150 miles per hour
1 answer
asked by
????
170 views
Describe an experiment to determine the saturation vapour pressure of water in the temperature range 25 degrees Celsius to 70
1 answer
asked by
Stella
129 views
When a sound wave propagates through air, how do the air molecules move?(1 point)
Responses a) The air molecules move randomly.
3 answers
asked by
Iwannaknow
288 views
Which phrase correctly defines the amplitude of a wave?(1 point)
Which answer is the best? a) the vertical distance from the
3 answers
asked by
Iwannaknow
396 views
A stationary source produces a sound wave at a frequency of 100 Hz. The wave travels at 1125 feet per second. A car is moving
3 answers
asked by
Iwannaknow
167 views
A child’s toy consists of plastic attached to a spring. The spring is compressed against the floor a distance of 2.46 cm, and
4 answers
asked by
Ke
3,218 views
Find the centripetal acceleration of a car that rounds an 80 m radius curve at 10 m/s.
5 answers
asked by
Anonymous
1,754 views
Let F1=10i-15j-20k,F2=6i+8j-12k. Find their dot product and the angle between those two vectors
4 answers
asked by
Anonymous
1,136 views
A wheel mounted on a stationary axle starts at rest and is given the following angular acceleration: 9-12t where t is the time
4 answers
asked by
Happinessdelight
2,568 views
A tow truck pulls a car from rest onto a level road. The tow truck exerts a horizontal force of 1500 N on the car. The
4 answers
asked by
Laura
4,482 views
Two point charges, q1 and q2, of 4.00 uc each, are placed -6.0 cm and 6.0 cm away from the origin on the x-axis. A charge q3 of
4 answers
asked by
Anonymous
1,878 views
a body is moving in a vertical circle such that the velocities of body at different points are critical the ratio of velocities
5 answers
asked by
Thousif
2,854 views
A cheetah looks up and sees a gazelle in the distance. The cheetah starts running towards the gazelle; when it catches the
4 answers
asked by
Anonymous
1,675 views
Sam and Terry find a 29.0 m deep wishing well and decide to make a wish. Terry throws a penny down the well at 9.00 m/s and Sam
4 answers
asked by
Juliette
2,376 views
A physics major is working to pay his college tuition by performing in a traveling carnival. He rides a motorcycle inside a
3 answers
asked by
Marthin
1,386 views
Find the angle of elevation of a gun which fire a shell with velocity 120m/s and hit a target on the same level but at 1300m
2 answers
asked by
Chuks
1,085 views
Pages
1
2
3
4
5
6
7
8
9
10