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(a) If a person can jump a maximum horizontal distance (by using a 45°projection angle) of2.17mon Earth, what would be his maximum range on the Moon, where the free-fall acceleration isg/6andg= 9.80 m/s2?
(b) Repeat for Mars, where the acceleration due to gravity is 0.38g.
The collision between a hammer and a nail can be considered to be approximately elastic. Estimate the kinetic energy acquired by a 14-g nail when it is struck by a 550-g hammer moving with an initial speed of 3.3 m/s.
A man enters a tall tower, needing to know its height. Henotes that a long pendulum extends from the ceiling almost to thefloor and that its period is 25.0 s. How tall is the tower
a satellite is describing a circular orbit about the Earth with speed V. The satellite is separated into two pieces by explosive bolts which gave them an equal but opposite velocity, Find the two new orbits
A friend advised the owner of the bowl to keep it out of direct sunlight to avoid blinding the fish, which might swim into the focal point of the parallel rays from the sun. Is the focal point actually within the bowl
A 110 grams sample of water at 30 degrees Celcius is heat to steam at 130 degrees Celcius. how much heat is absorbed
If a real object is placed inside the focal point of a diverging lens,
A 4 kg model rocket is launched, expelling 40.00 g of burned fuel from its exhaust at a speed of 550m/s. What is the velocity of the rocket after fuel has burned? Hint: Ignore the external forces of gravity and air resistance.
The efficiency of a particular car engine is 26 percent when the engine does 7.0 kJ of work per cycle. Suppose the process is reversible. Obtain the energy the engine loses per cycle as heat
a wire is carrying a current in the -x direction. What is the direction of the uniform magnetic field such that the magnetic force is maximized
You decide to travel by car for your holiday visits this year. You leave early in the morning to avoid congestion on the roads. How far did you travel on this trip
A rock is dropped in a large tank of benzene (n=1.5) and sinks to the bottom of the tank. what is the actual depth of the rock
A square coil containing 950 loops with a side length of 10 cm is turning in a uniform magnetic field. It is experimentally found that turning the loop at a constant speed with a period of 0.12 s produces a maximum voltage of 0.065 V. Can you writ..
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