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Q1. A 28-{rm cm}-diameter vertical cylinder is sealed at the top by a frictionless 25 kg piston. The piston is 87 cm above the bottom when the gas temperature is 311^circ C. The air above the piston is at 1.00 {rm atm} pressures.
Q2. A projectile is launched from the top of a cliff above level ground. At launch the projectile is 35 meters above the base of the cliff and has the velocity of 50 meters per second at an angle 37° with horizontal. Air resistance is negligible.
Compute the total time from launch till projectile hits the ground at point c.
What will transform in terms of the observable properties of the black hole as this process continues
A screen is placed 42.7 cm from a single slit that is illuminated with light of wavelength 677 nm. If the distance between the first and third minima in the diffraction pattern is 3.45 mm, what is the width of the slit.
A stone is projected at a cliff of height h with an initial speed of 45.0 m/s directed at an angle θ0 = 66.0° above the horizontal. The stone strikes at A, 5.37 s after launching. Find out (a) height h of the cliff, (b) speed of the stone just before..
How much work done against force of gravity
What law of physics would be violated
A bat in a cave emits a sound pulse and receives an echo 0.22 second later. Assuming that the speed of sound is 339 m/s, how far did the sound (the longitudinal wave) travel during this time.
How to compute the average force
An open-open organ pipe is 67.9 cm long. AN open-closed pipe has an essential frequency equal to the third harmonic of the open-open pipe. How long is the open-closed pipe.
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The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.
What is the kinetic energy of α particle while it reaches the other plate? The distance between the plates is 33 cm.
What is the change in kinetic energy of the puck
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