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A 38 g bullet strikes a 0.65 kg block attached to a fixed horizontal spring whose spring constant is 6.2 x 103 N/m and sets it into vibration with an amplitude of 23 cm. What was the speed of the bullet before impact if the two objects move together after impact?
Fairgoers ride a Ferris wheel with a radius of 5.00 m, the bottom of which is 1.75 m above the ground. The wheel completes one revolution every 36.0 s. What is the average speed of a rider on this Ferris wheel
A block of mass Msits on an inclined plane (angle θ). The mass of the block is 3.0kg and the coefficient of static friction isμs.
Determine the resulting specific gravity when the three liquids in the containers A, B and C are mixed together.
A 6 kg block slides along a frictionless horizontal surface. The block is acted on by two forces, a 4.5 N force to the left, and a 7.5 N force to the right. At what rate is the 4.5 N force doing work on the block at the instant when its speed is 4..
A 12.0 g rifle bullet is fired with a speed of 740 m/s into a ballistic pendulum with a mass of 8.00 kg, suspended from a light and long cord. Compute the max height through which the block would rise
An electric motor is used to lift an elevator and its load to aheight of 20m. at which rate is the energy supplied to the motor
Two cars traveling in opposite directions collide head on and are brought to rest. estimate the change in entropy of the universe
A 72 kg man is riding on a 40 kg cart traveling at a speed of 2.5 m/s. What is the resulting change in the cart's speed, including sign
Gayle runs at a speed of 4m/s and dives on a sled, initially at rest on the top of a frictionless snow covered hill. After she has descended a vertical distance of 5m, her brother.
You throw a ball with mass 0.40 kg against a brick wall. It hits the wall moving horizontally to the left at 30. m/s, find the average horizontal force the wall exerts on the ball during the impact
a bottle of wine known as a squinch contains a volume of 1.1 liters. a bottle known as a serroboam contains 8.5 u.s.
A portion of Nichrome wire of radius 3.95 mm is to be used in winding a heating coil. If the coil must draw a current of 9.70 A when a voltage of 120 V is applied across its ends, find the following. (Take the resistivity of nichrome to be 1.50 10..
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