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You have just landed on a planet. You take out a block of mass 245g , release it from rest from a height of 14.01m and measure that it takes a time of 1.19s to reach the ground. You can ignore any force on the block from the atmosphere of the planet. If you apply a horizontal force to this block, it moves 2.52m in 13.5s starting from rest.
Part A What is the acceleration of gravity on this planet?
Part B How much does the block weigh on the surface of Planet X?
Part C What is the force of your horizontal push if the coefficient of kinetic friction on the surface is 0.3?
Light of wavelength 560 nm illuminates a single 0.77 mm wide slit. At what distance from the slit should a screen be placed, What is the width of the central maximum
An 82 kg parachutist descends through a vertical height of 350 m with constant speed. Find out the increase in entropy produced by the parachutist; assume the air temperature is 21 degrees C.
A water-skier, moving at a speed of 9.15 m/s, is being pulled by a tow rope that makes an angle of 37.0° regarding the velocity of the boat (see the Illustrating). The tow rope is parallel to the water. The skier is moving in the similar direction..
The Earth is constantly being bombarded by cosmic rays, which consist mostly of protons. what is the total charge incident on the atmosphere
A rocket moves with a velocity of 0.91c to the right with respect to a stationary observer A. What is the velocity of observer
The Earth and Moon are separated by about 400 ? 106 m. Suppose Mars is 1.6 1011 m from Earth and forms a right triangle with Earth and the Moon. determine the angular separation of Earth
Imagine that we add 250 J of thermal energy to 1 liter (L)(1000cm^3) of air initially at room temperature and normal pressure. By how much does its pressure increase
A ball bearing is dropped from rest at a point A. At the instant it passes a mark 4.0 m below A, another ball bearing is released from rest from a position 5.0 m below A, How far does the second bearing fall in that time
At which angle will the photon scatter with respect to its original direction? (The accepted unit abbreviations for angles are either 'deg' for degrees or 'rad' for radians.)
Avoid the weight of the bat, since it is so much less than the force of the bat. Select the direction of the incoming ball as positive direction.
A mass m1 = 15.0 kg and a mass m2 = 11.5 kg are suspended by a pulley that has a radius of 10.2 cm and a mass of 3 kg, determine the tension in the left cord
A car with 68 -diameter tires accelerates uniformly from rest to 20 in 10. How many times does each tire rotate
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