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You are designing a testing machine for a golf ball manufacturer. You want to simulate a golf swing using a pendulum made of a 0.75 kg clubhead attached to a two meter long piece of aluminum that can be treated as massless. The pendulum starts out with an initial speed of 35 m/s at the top of the swing. At the bottom of the swing the clubhead will collide elastically with the golf ball. What is the speed of the 0.050 kg golf ball just after being struck by the clubhead?
Consider an optical gain medium that has two levels at E 1=1.50 eV and E 2=3.50 eV. What is the stimulated emission wavelength
The ball leaves the bat 2.0 ms later with a vertical velocity of magnitude 10 m/s. Illustrate what is the magnitude of the average force of the bat on the ball during the ball-bat contact?
A place kicker should kick a football from a point 32 m (about 35.0 yd) from the goal, and the ball should clear the crossbar, which is 3.050 m high. When kicked, the ball leaves the ground with a speed of 21.0 m/s at an angle of 49° to the horizo..
The vitreous humor, a transparent, gelatinous fluid that fills most of the eyeball, What are ranges of wavelength, frequency and speed of light
Three parallel wire 5 m long carry each 24 A of current in the same direction. Find the magnitude force on each wire
A 950-kg car traveling west at 15.0 m/s collides with a 750-kg car traveling north at 20.0 m/s. The cars stick together. Find the speed of the wreckage just after the collision
Water flowing through a garden hose of diameter 2.79 cm fills a 21.0-L bucket in 1.10 min. What is the speed of the water leaving the end of the hose
In a new (inelastic) collision, the same two bumper cars with the same initial velocities now latch together as they collide. What is the final speed of the two bumper cars after the collision
A certain heat engine does 10.2 kJ of work and 9.5 kJ of heat is transfered to the environment in a cyclical process. What was the heat transfer into this engine
A) How fast should the car be traveling just as it leaves the cliff in order to just clear the river and land safely on the opposite side? B) What is the speed of the car just before it lands safely on the other side?
Will is attempting to swim to a dock directly across a river from his current position. In what direction should he swim relative to his intended path
A rifle with a barrel length of 56 fires an 8 bullet with a horizontal speed of 350. The bullet strikes a block of wood and penetrates to a depth of 14. (a) What resistive force (assumed to be constant) does the wood exert on the bullet? (b) How long..
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