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A cannon fires a cannonball from the top of a wall at a speed of 91.05 m/s and an angle of 31.18 degrees from the horizontal. A cannonball that was accidentally dropped from the top of the castle hits the water below in 2.25 s. What is the horizontal distance from the wall where the fired cannonball hits the ground?
The lander is 8.2 meters above the surface and has the downward speed of 0.89 m/s while the engine is cut off. What is the speed of the lander just before it touches the surface.
question1a sailboat is being propelled westerly by the wind at 4ms. if the current is flowing 2ms to the northeast
A jetliner is moving at a speed of 187 m/s. The vertical component of the plane's velocity is 44.5 m/s. find out the magnitude of the horizontal component of the plane's velocity.
As part of a safety investigation, two 1200- {rm kg} cars traveling at 24- {rm m/s} are crashed into different barriers.
A generator has a square coil consisting of 188 turns. The coil rotates at 118 rad/s in a 0.222-T magnetic field. What is the length of one side of the coil
A wrecking ball (weight = 5010 N) is supported by a boom, which may be assumed to be uniform and has a weight of 3670 N. As the drawing shows, a support cable runs from the top of the boom to the tractor.
A boy tosses a ball in the vertical direction off the side of a cliff. if the initial velcoity of the ball is 15 m/s upward, determine the maximum height sb reached by the ball
Peter and Carter are dropping rocks into a stream from a bridge at a height of 28 m above the water below, As Meg emerges from the water below she is struck by both rocks. Calculate the speed of each rock at impact with Meg
A volleyball player's 3.7 kg arm moves at an average angular velocity of 15 rad/s during execution of a spike. what is the average radius of gyration for the arm during the spike
While on an elevator, Jaden's apparent weight is 550N, When he is on the ground, the scale reads 600N, What is Jaden's acceleration while on the elevator
q1. charge of uniform density 80 ncm3 is distributed throughout a hollow cylinder region formed by two coaxial
An electron and a proton are initially very far apart (effectively an infinite distance apart). which is the change in the electric potential energy
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