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A simple pendulum is made from a 0.63 mlong string and a small ball attached to its free end. The ball is pulled to one side through a small angle and then released from rest. After the ball is released, how much time elapses before it attains its greatest speed?
Calculate the hydrostatic difference in blood pressure between the brain and the foot in a person of height 1.83 m. The density of blood is 1060 kg/m3
High-speed stroboscopic photographs show that the head of a 190-g golf club is traveling at 58 m/s just before it strikes a 46-g golf ball at rest on a tee, Find the speed of the golf ball just after impact
A horizontal wire is hung from the ceiling of a room by twomassless strings. The wire has a length of 0.14m and a mass of 0.006 kg. A uniformmagnetic field of magnitude 0.080 T isdirected from the ceiling to the floor.
A fighter jet lands on the deck of an aircraft carrier. It touches down with a speed of 70.4 m/s and comes to a complete stop over a distance of 197.4 m, What is the acceleration of the jet
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. With what speed did she reach the platform
How much force is the air exerting on the front cover of your textbook? (Assume that the width and the length of the book are 22.9 cm and 28.8 cm, respectively
A baseball (m=140g) traveling 32m/s moves a fielders glovebackward 25cm when the ball is caught. What was the average force exerted by the ball on the glove
An automobile crankshaft transfers energy from the engine to the axle at the rate of 110 kW when rotating at a speed of 2170 rev/min. What torque does the crankshaft deliver
A sold cylinder of radius .35 m is released from rest from a height of 1.8 m and rolls down the incline as shown. What is the angular and transitional speed
A 11 kg box must be slid across the floor. what is the minimum force needed to start the box moving from rest
A student (m = 56 kg) falls freely from rest and strikes the ground. All through the impact with the ground, he comes to rest in a time of 0.04 s.
If a particle of mass 4.9 kg is moving east at 10 m/s and a particle of mass 19 kg is moving west at 10 m/s, what is the velocity of the center of mass of the pair
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