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The mass of the moon is 7.35 x 10^22kg and it radius is 1.74 x10^6m. With what speed should an object be projected from its surface to reach an altitude equal to its radius?
question1an object of mass 1.2 kg is released from rest at the top of a 5 metre plank inclined at 40 degrees to
A person pushes a 16.0 kg shopping cart at a constant velocity for a distance of 22.0 m. She pushes in a direction 26.0° below the horizontal. Determine the work done by the pushing force
An unknown number of moles of an ideal monoatomic gas expand reversibly from Vi = 2.30 m3 to Vf = 3.10 m3, at a constant pressure of 1.99 atm, Find the number of moles of gas
A metal ring having an outside radius of 38.0 cm, and an inside radius of 30.5 cm, has a mass of 15.0 kg. What is the moment of inertia of the ring
A street light is supported by two wires and each makes a different angle from each other. Find the tension in each wire if the street light has a mass of 60.0 kg
A potter's wheel moves uniformly from rest to an angular speed of 0.23 rev/s in 35.0 s. Find its angular acceleration in radians per second
You throw a 151 g ball straight up to a height of 43.0 m. Calculate the average force exerted by your hand while you are throwing it
1. a 0.05 kg bullet is fired horizontally into a 8.0-kg block of wood suspended by a rope from the ceiling. the block
Consider a chain with length 0.9 m and mass per unit length 0.6 kg/m. Suppose it is initially suspended above a table so that the lower, What is the force when one-half of the chain lies on the table
A 1 m stick is used as a simple pendulum with a 2 kg weight on the end. What is its period of oscillation
question1a baseball is thrown at an angle of 20? relative to ground at a speed of 25.6 ms. the ball is caught 42.9416 m
A wave has an amplitude of 0.25 m, a frequency of 5 Hz and a wavespeed of 4 m/s.a. Write the displacement equation for the wave
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