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On the Apollo 14 mission to the moon, astronaut Alan Shepard hit agolf ball with a 6 iron. The acceleration due to gravity on themoon is 1/6 of its value on earth. Suppose he hits the ball with aspeed of 14.0 m/sat an angle 20.0 ^\circ abovethe horizontal.
a) How much farther did the ball travel on the moon than itwould have on earth?
b) For how much more time was the ball in flight?
Explain how long is the bullet in the target? What average force does the bullet exert on the target? What is the target's speed just after the bullet emerges?
The thrust produced by a single jet engine, m = 6700 kg, creates a force of F = 67000 N. It takes the jet a distance of d = 0.8 km to take off. What is the take-off speed of the jet vt in m/s
An alien spacecraft flies from its home planet to earth, a distance of 4.33 light-years, according to the aliens on board. determine the distance between the alien planet and the earth
A child sits 1.75 m from the center of a rotating merry-go-round that makes one complete revolution (spin) in 2.58 seconds. What is the child's acceleration
A large block of copper initially at 20.0oC is placed in vat of hot water (80.0oC). For the first 1.0 J of heat that flows from the water into the block, find the entropy change of the water
A skier starts from rest at the top of a hill. The skier coasts down the hill and up a second hill. The crest of the second hill is circular, What must be the height of the hill
A 5.80uFparallel-plate air capacitor has a plate separation of 4.00mmand is charged to a potential difference of 400V. Calculate the energy density in the region between the plates
A simple pendulum makes 143 complete oscillations in 2.80 min at a location where g = 9.80 m/s2. Find the period of the pendulum
At the start of a race, a four-man bobsled team pushes their sled as fast as they can along a 50 m flat starting stretch. What is the speed of the sled right before the team jumps on the sled
A sealed container of volume 0.10 m^3 holds a sample of 3.0 x 10^24 atoms of helium gas in equilibrium, Calculate the temperature and pressure of the helium gas
A square copper plate has a circular hole in its center. Each side of the plate is 23.52 cm, and the radius of the circular hole is 7.827 cm. find the radius of the hole
In a 2-D coordinate system with axes the absolute temperature and volume, graph (a) an isobaric (constant pressure) change of one mole of an ideal gas for p=1 atmosphere, and (b) the same when p=2 atmospheres.
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