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Physics
Page 14
Questions (146,487)
A 75 kg water skier is pulled by a horizontal tow rope. She goes from rest to 6.0 m/s in 4.5 s when the rope's tension is 140 N.
4 answers
asked by
amalia
863 views
A magnetic particle weighing 3.6 grams is pulled through a solenoid with an acceleration of
6m/s2. Compute the force in pounds
4 answers
asked by
sam
1,223 views
Find Work, W, done by a force, F, of 14 lbs acting in the direction of (3,4) and moving on object 7 ft
A w= 485 B w=137 C w=97 D
7 answers
asked by
Kakashi
2,984 views
1. The current flowing through an electric circuit is the derivative of the charge as a function of time. If the charge q is
7 answers
asked by
girly girl
2,573 views
a resistor R is connected in parallel with a 10-ohm inductive reactance. the combination is then connected in series with a 4ohm
4 answers
asked by
Student
2,068 views
A catapult launches a boulder with an upward velocity of 184 feet per second. The height of the boulder, (h), in feet after t
11 answers
asked by
SkatingDJ
6,431 views
A student is comparing a step-up transformer with a step-down transformer. Which data should she collect from each device?
the
7 answers
asked by
lyssa
2,428 views
A conducting sphere has a net charge of +Q . Points A and B are on opposite sides of the surface of the sphere. If a point
5 answers
asked by
Brady
1,698 views
A 500 g piece of iron changes 7°C when heat is added. How much heat energy produced this change in temperature? C of iron is
4 answers
asked by
Anonymous
4,171 views
Calculate the work done in each of the following situations.
(a) A horse pulls a wagon with a force of 1200 N and moves it 15 m.
7 answers
asked by
james
3,867 views
1) A 20 kg rock is on the edge of a 100 m cliff.
a. What potential energy does the rock possess relative to the base of the
5 answers
asked by
Isis
11,871 views
After skiding down a snow-covered hill on an inner tube, Ashley is coasting across a level snowfield at a constant velocity of
4 answers
asked by
Angela
8,498 views
A student is investigating what happens when a neutral metal sphere sitting on an insulated stand is touched by a negatively
10 answers
asked by
Anonymous ;)
744 views
A baseball collides with a baseball glove. Which equation is used to calculate the force the glove exerts on the ball during the
5 answers
asked by
lol help
1,250 views
If Mr. Jones was moved from Earth to the moon, what would change?
a weight b mass c height d hair color
4 answers
asked by
A
239 views
How many seconds would it take a 7.00hp motor to raise a 475 lb boiler to a platform 38.0 ft high?
4 answers
asked by
sean
1,279 views
Which statement describes a similarity between conductors and insulators
3 answers
asked by
Kayy
833 views
A particle in simple harmonic motion has a period of 0.4s. If the maximum speed attained during the motion is 0.3s, what is the
4 answers
asked by
Olajumoke
913 views
A uniform harf metre rule is freely pivoted at the 15cm mark and it balances horizontally when a body of mass 40g is hung from
5 answers
asked by
Inyass
788 views
A 15.0- resistor and a 20.0- resistor are connected in parallel. A 5.00- resistor is connected in series with this parallel
5 answers
asked by
Amber.
3,295 views
Waves travelling along a string have a wavelength of 2.4m. When the waves reach the fixed end of the string, they are reflected
5 answers
asked by
Kayla
3,058 views
Which of the following interactions in the data set below will have an attractive electrical force?
Interaction Object 1 Charge
7 answers
asked by
A
261 views
A student is investigating magnetic fields. The student places four different objects near identical magnets and observes what
1 answer
asked by
A
245 views
The picture shows a woman running.
What is the main type of energy conversion taking place? a Chemical energy is converted to
3 answers
asked by
A
301 views
An archer pulls the bowstring back for a distance of 0.400 m before releasing the arrow. The bow and string act like a spring
4 answers
asked by
Albee
5,475 views
A fin 30 cm long & 10mm diameters throughout is made of steel alloy of thermal conductivity 43 W/m-deg. the fin attached to a
5 answers
asked by
Guru
1,787 views
1) When a pendulum 0.5m long swings back and forth, its angular displacement Ɵ from rest position, in radians is given by
5 answers
asked by
Hyde
3,767 views
A man mass 75 kg and a boy mass 25 kg dives off the end of a boat of mass 300 kg so that their relative horizontal velocity with
5 answers
asked by
sjeba
3,115 views
If 25.4 kg of copper at 33°C receives 240 kJ of heat. Calculate the final temperature of the metal.
4 answers
asked by
jay
2,019 views
Two electrical circuits have the same 15-volt batteries. Circuit A has 2 ohms of resistance, and circuit B has 6 ohms of
4 answers
asked by
Zoe13
1,066 views
The Specific weight of water is 62.4 lb/ft^3.
Assuming 7.48 gal/ft^3, determine the weight of 1 gal of water?
4 answers
asked by
Evan
4,459 views
what mass of ice at -14'c will be needed to cool 200cm3 of an orange drink (essentially water) from 25'c to 10'c! (specific
5 answers
asked by
maxwell
1,026 views
A stone was dropped off a cliff and hit the ground with a speed of 120 ft/s. Using the fact that acceleration due to gravity is
5 answers
asked by
Cole
10,924 views
2.1 Two blocks of mass M kg and 2.5kg respectively are connected by a light, inextensible string. The string runs over a light,
7 answers
asked by
Pamela
2,739 views
Three point chatges are placed onthe x axis .Acharge of+2micro c at the100cm mark .what are the magnitude and direction of the
4 answers
asked by
Mariam
1,643 views
I have 130 liters of gas in a piston at a temperature of 250 degree Celsius. If i cool the gas until the volume decreases to 85
5 answers
asked by
mereula
2,950 views
Two identical charges repel each other with a force
of 16N. If the distance between the charges is doubled, the force will be?
6 answers
asked by
Queen Jenaay
6,122 views
What mass of water will be needed to change the temperature 25 Celsius using 4532 J of heat energy
4 answers
asked by
macie
1,227 views
A student designs a gravity experiment. She will time how long it takes different objects to fall from her school’s roof to
9 answers
asked by
UNICode
901 views
A vehicle is travelling 1.0x10^2 km/h. what is the spped of the vehicle in metres per second?
28m/s 27.8m/s 3.6x10^2m/s
4 answers
asked by
Emmanuel
3,686 views
A wolf us chasing a rabbit.Graph the wolf's motion using the following data: 15 m\s at 0 s,10 m\s at 3 s,1 m\s at 4 s,and 0 m\s
7 answers
asked by
anna
2,338 views
Calculate the energy absorbed when 8.5g of ice is melted at 0 Celsius.
thank you
4 answers
asked by
happy
2,459 views
A simple pulley with the given
radius r used to lift heavy objects is positioned 10 feet above ground level. Given that the pully
5 answers
asked by
2121
3,028 views
I have several questions
4: The image above shows particles in a medium. Which of the following shows the best conditions for a
6 answers
asked by
Roover
5,067 views
A hand bag containing some loads weighing 162n is carried by two student,
each holding the handle of the bag next to him..if each
5 answers
asked by
Collins
3,304 views
Two sound waves are traveling through a container of unknown gas. Wave A has a wavelength of 1.2 m. Wave B has a wavelength of
7 answers
asked by
lost in life
7,970 views
A block slides from rest with negligible friction down a track, descending 5.0m to point P at the bottom. It then slides on the
5 answers
asked by
Anonymous
16,692 views
A horizontal force of 804 N is needed to drag a crate across a horizontal floor with a constant speed. You drag the crate using
5 answers
asked by
Anonymous
3,568 views
An electron is excited from the n=1 ground state to the n=3 state in a hydrogen atom. Which of the following statements are
7 answers
asked by
Anonymous
19,739 views
Two blocks are connected by a string over a frictionless, massless pulley such that one is resting on an inclined plane and the
5 answers
asked by
emm
8,061 views
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