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Physics
Page 66
Questions (146,484)
A man whose mass is 80kg stands on a weighing machine inside a lift: when the lift starts accelerating upwards, the reading of
6 answers
asked by
Musa Abdullahi
1,276 views
1) A 0.50 kg object is at rest. A 3.00 N force to the right acts on the object during a time interval of 1.50 s
a) What is the
3 answers
asked by
Isis
2,540 views
A water trough is 6 m long, and its cross-section has the shape of an isosceles trapezoid that is 20 cm wide at the bottom, 50
3 answers
asked by
Abrich
1,380 views
A spaceship from another planet travels at a speed of 4.27 googs/mulm. There are 256 googs in a
meter and 8000 mulum in one hour.
4 answers
asked by
Kevin
2,657 views
A solid of density 5000 kg/m^3 weighs 0.5 kgf in air.It is completely immersed in water of density 1000 kg/m^3. Calculate the
7 answers
asked by
Mayank
3,807 views
The force of gravity on the moon is said to be 1/6th of that on the earth .what would be the mass of 12kg weighed on the surface
3 answers
asked by
Bhumika Gireesh
749 views
What does electric current measure?
3 answers
asked by
Amilyah Watson
72 views
We apply the same amount of energy to 10.0-g samples of aluminum, and silver which begin at the same
temperature.Rank the metals
4 answers
asked by
Chris
1,117 views
many automobile passengers suffer neck injuries when struck by cars from behind. how does newtons law of inertia apply here?why
2 answers
asked by
lisa
594 views
A positive charge Q is on the y-axis at a distance a from the origin, and another positive charge q is on the x-axis at a
2 answers
asked by
Patrick
1,269 views
A mass 5kg is whirled in a horizontal circle @ 1 end of a string 50cm long,the other end being fixed. If the string when hanging
3 answers
asked by
Fate
1,834 views
1.) A small sphere of charge 2.4 μC experience a force of 0.36 N when a second sphere of unknown charge is placed 5.5 cm from
3 answers
asked by
Christine
2,271 views
At a rock concert, the sound intensity 1.0 in front of the bank of loudspeakers is 0.10 . A fan is 30 from the loudspeakers. Her
4 answers
asked by
Ness
3,430 views
An observer 2 km from the launching pad observes a vertically ascending missile at an angle of elevation of 21 degrees. 5
3 answers
asked by
H
2,281 views
which of the following sets of quantum numbers (n,l,ml,ms) describes the electron which is most easily removed when a sodium
3 answers
asked by
lavonne
1,619 views
A 70kg man stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 90kg
Is the elevator
4 answers
asked by
help
2,352 views
please check:
Two point charges, initially 1 cm apart, are moved to a distance of 3 cm apart. By what factor do the resulting
4 answers
asked by
physics
3,661 views
When working with the combined gas law you would use the following equation:
(P1)(V1)/T1 = (P2)(V2)/T2 I am not quite sure how
5 answers
asked by
Anonymous
2,161 views
A drag racer, starting from rest, speeds up for 402 m with an acceleration of +17 m/s^2. A parachute then opens, slowing the car
5 answers
asked by
Anonymous
3,687 views
A mass m is attached to a spring of constant k. The spring oscillates in simple harmonic motion (amplitude A). In terms of A:
a)
4 answers
asked by
Joe
605 views
The plates of a parallel plate capacitor each have an area of 0.40 m2 and are separated by a distance of 0.02 m. They are
3 answers
asked by
kevin
1,582 views
Which would have greater gravitational attraction?
1. Earth and the moon 2. Earth and a bouncy ball 3. Earth and the sun 4. Earth
2 answers
asked by
ADUDE
120 views
Calculate the kinetic energy, in Joules, possessed in each of the following scenarios and match with the correct answer. K.E. =
2 answers
asked by
fe
101 views
Gravitational Force, Attraction, and Mass Quick Check
these are correct for Connections Academy 10th grade Physical Science as of
5 answers
asked by
mmyoui
723 views
For the following graphs of position versus time (in one dimension), please determine the acceleration. Need someone to check
4 answers
asked by
Jeremy
121 views
A vehicle with mass of 1200kg accelerates from rest upward with an incline of 1:25 and reaches a speed of 72km/h after 2
2 answers
asked by
Boikokobetso Koloko
108 views
What is the density of a mixture of 1.5m3 of water and 0.5m3 of alcohol of density 800kg/m3? (Density of water = 1000kgm^-3 )
2 answers
asked by
chukwudi Christian
126 views
1. A particle moves along the x-axis in such a way that it's position in time t for t is greater or equal to 0 is given by x=
2 answers
asked by
Cameron
702 views
A toy rocket is launched into the air at an initial velocity of 32 ft/sec, as shown on the graph below. The function
3 answers
asked by
Rebekah L.
2,097 views
A baby carriage is rolling down a hill at 18 m/s. If the carriage has 1600 J of kinetic energy, what is the mass of the
2 answers
asked by
mark
1,043 views
A group of particles is traveling in a magnetic field of unknown magnitude and direction. You observe that a proton moving at
3 answers
asked by
Luigi
833 views
A ray of green light has a wavelength of 5.34 x 10-7 m. What is the frequency? (Hint: remember the speed of light!)
3 answers
asked by
Lilly
1,472 views
A 1.47-newton baseball is dropped from a height of 10.0 meters and falls through the air to the ground. The kinetic energy of
3 answers
asked by
Katie
4,275 views
The specific heat of granite is 0.80 kJ/kg·°C. If 2.0 MJ of heat are added to a 100−kg granite statue of James Prescott
4 answers
asked by
Anonymous
1,107 views
An object fired horizontally with a velocity of 30m/s from a top of a taal tower 250m high.The object lands on top of a building
4 answers
asked by
KESSE
875 views
the acceleration of the gravity on the moon is 1.62m/s^2. if a ball is dropped on the moon from a height of 1.50m, determine the
3 answers
asked by
jenna
797 views
Light photons with energy 7.3 eV strike a metal surface and eject electrons with energy 2.7 eV. What is the Work Function of the
3 answers
asked by
Anonymous
1,182 views
Hoping Henry can help on previous prob.
A ball is thrown upwards from a roof top, 80ft above the ground. It will reach a maximum
4 answers
asked by
Mike
817 views
A solid weighs 4.8g in air, 2.8g in water and 3.2g in kerosene. Calculate the ratio of the density of the solid to that of
4 answers
asked by
Patience
1,506 views
A ball is rolling on a table with a horizontal velocity of 5 m/s when it rolls off the edge. How far from the base of the table
4 answers
asked by
Ryan
2,739 views
the time of flight of an object projected with speed 20m/s at an angle 30¡ã with the horizontal is
3 answers
asked by
khushi
2,071 views
Block B has a mass of 2.20kg and is moving to the left at a speed of 2.30m/s. Block A has a mass of 2.70kg and is moving to the
3 answers
asked by
Emily
700 views
A 20 kg mass slides down an inclined plane which is at an angle of 60 degrees to the horizontal
1. Horizontal component of weight
3 answers
asked by
Alyssa
793 views
A lead bullet of mass 50 grams is fired with a velocity of 200m/s into a lead block of mass 950 grams. Given that the lead block
4 answers
asked by
Williams
2,221 views
At 2:00pm a car's speedometer reads 60mph, and at 2:10pm it reads 65mph. Use the Mean Value Theorem to find an acceleration the
4 answers
asked by
Dee
2,081 views
When a 3600 lb automobile runs out of gas, it is pushed by its unhappy driver and a friend a quarter of a mile (0.250 mi). To
4 answers
asked by
Kayla
810 views
Multi-step prob During a trampoline competition, a trampolinist leaves the mat when her center of gravity is 6 feet above the
3 answers
asked by
ⒽⒺⓁⓅ
879 views
Calculate d energy of d 3rd level of an atom if d ground state energy is -24.8ev
3 answers
asked by
Mei
753 views
A body with a mass of 75 kg is located at a height of 20 m. If it is allowed to free fall to the ground. What will be its
4 answers
asked by
Danny
685 views
How long would it take a 1.00 x 10^3 W heating element to melt 2.00kg of ice at -20 deg C, assuming all energy is absorbed by
3 answers
asked by
R
1,970 views
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