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Discuss the effects of different floor angles on the distance up the incline that you will have to sit in a movie theatre to maximise your viewing angle. Screen is 2.5m high and 3m from ground.
A new General Electric kitchen stove has a mass of 68kg and the dimensions. The stove comes with a warning that it can tip forward if the person stands or sits on oven door when it is open.
A car is traveling around a horizontal circular track with radius r = 240 m at a constant speed v = 17 m/s, What is the y component of the car's acceleration when it is at point B
A 745 N window washer is standing on a scaffold supported by a vertical rope at each end. What is the tension in the rope on the left
The 22.5 g arrow is shot with a speed of 37.0 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target
A harvest mouse can detect sounds as quiet as -10 . Suppose you are sitting in a field on a very quiet day while a harvest mouse sits nearby at the entrance to its nest. A very gentle breeze causes a leaf 1.8 from your head to rustle, generating a..
Two 8.0mm×8.0mm electrodes with a0.10-mm-thick sheet of Mylar between them are attached to a 9.0V battery. What is the charge before and after the Mylar is withdrawn
A girl of mass m 1 =60 m_1 = 60 kilograms springs from a trampoline with an initial upward velocity of v i =8.0 v_i = 8.0 meters per second, What is height max with respect to the top of the trampoline
A nail gun fires a nail into a piece of wood. The nail is going a velocity of 9.0 m/s right before entering the wood. From entering the wood, how long does it take the nail to come to a stop
A bullet is fired through a board 14.0 cm thick in such a way that the bullet's line of motion is perpendicular to the face of the board. The initial speed of the bullet is 450 m/s and it emerges from the other side of the board with a speed of 35..
On the Apollo 14 mission to the moon, astronaut Alan Shepard hit a golf ball with a golf club improvised from a tool. How long was the ball in flight
The Apollo Lunar Module was used to create the transition from the spacecraft to the moon's surface and back. Consider the similar module for landing on the surface of Mars. Use conservation of mechanical energy to answer these questions.
bob has just finished climbing a sheer cliff above a beach and wants to figure out how high he climbed. all he has to
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