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A ball is thrown at a 60.0° angle above the horizontal across level ground. It is released from a height of 2.00 m above the ground with a speed of 16.0 m/s. How long does the ball remain in the air before striking the ground?
A 0.20 kg aluminium plate with an initial temperature of 20 degrees c slides down a 15.00m long surface that is inclined at 30 degrees to the horizontal.
a portable cd player uses a current of 7.50 mA and has a resistance of 465, If the player uses 24-gauge wire (A= 0.20 mm2) with a length of 6.50 cm, what is the resistivity of the wire
A Ferris wheel with a radius of 14.0 m rotates at a constant rate, completing one revolution in 30.0 s. What is the apparent weight of a 60 passenger when she is at the bottom of the wheel.
A toy train is pushed forward and released at = 2.0 with a speed of 1.5 . It rolls at a steady speed for 2.8 , then one wheel begins to stick. The train comes to a stop 5.6 from the point at which it was released. Elucidate the train's accelera..
Two parallel plates each of area 7.00 cm^2 are seperated by 3.50 mm of water The electric field between the plates has a magnitude of 2290 N/C, what is the charge stored on each plate
One of your friends pulls on a rope with 3 units of force and other pulls on a second rope with 5 units of force, How hard and what direction must you pull
Two 1000 kg cars drive east; the first moving at 25 m/s, the second at 15 m/s. What is the magnitude of the total momentum of the system
A Carnot engine is operated between two heat reservoirs at temperatures of 530K and 300K. What is the thermal efficiency of the engine
A long string is wrapped around a 6.60 diameter cylinder, initially at rest, that is free to rotate on an axle. The string is then pulled with a constant acceleration of 1.70 until 1.30 of string has been unwound. If the string unwinds without slippi..
A turntable rotates with a constant 2.00 rad/s2 angular acceleration. After 4.80 s it has rotated through an angle of 54.0 rad. What was the angular velocity of the wheel
Determine the maximum horizontal force that can be applied to the block before it slips.
For safety in climbing, a mountaineer uses a nylon rope that is 69 m long and 1.0 cm in diameter. Whilst supporting a 96-kg climber, the rope elongates 1.4 m. Find its Young's modulus.
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