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In an amusement park you stand against the inside wall of a circular object that resembles a tin can. The circular object begins to whirl around. After a constant speed is reached, the floor drops down, but you are held fast against the whirling wall. Are you being accelerated? Explain your answer.
A 20-N block lifted straight upward by a hand applying a force of 20N has an initial kinetic energy of 16J. What is the block's final kinetic energy
A girl is sledding down a slope that is inclined at 30º with respect to the horizontal. The wind is aiding the motion by providing a steady force of 184 N that is parallel to the motion of the sled.
two trains face each other on adjacent tracks. they are initially at rest and their front ends are 36 m apart. the
How many electrons should be removed from an initially uncharged spherical conductor of radius 0.100 m to produce a potential of 8.50 kV at the surface
A flight attendant wants to change the temperature of the air in the cabin from 18.0° C to 21.2° C without changing the number of moles of air per m3
a block with a mass m and charge q is placed in an electric field e a i b j where a and b are constants. if the block
Charges of 3.00 nC, -2.00 nC, -7.00 nC, and 1.00 nC are contained inside a rectangular box with length 1.00 m, What is the electric flux through the surface of the box
A gun shoots bullets that leave the muzzle at 213m/s. If a bullet is to hit a target 160.4m away at the level of the muzzle, the gun must be aimed at a point above target. (Neglect air resistance.)
When one gallon of gasoline is burned in a car engine, 1.18 x 10^8 J of internal energy is released. Suppose that 0.99 x 10^8 J of this energy flows directly into the surroundings (engine block and exhaust system) in the form of heat. If 6.0 x 10^5 J..
A particular satellite was placed in a circular orbit about 158 mi above Earth. (a) Determine the orbital speed of the satellite. m/s (b) Determine the time required for one complete revolution.
A laser beam with vacuum wavelength 600 nm is incident from air onto a block of glass. find the wavelength of the light in glass
Find out the magnetic field strength
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