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On The Apollo 14 mission to the Moon, astronaut Alan shepard hit a golf ball with a 6 iron. The free fall acceleration on the Moon is 1/6 of its value on Earth. Suppose he hit the ball with a speed of 25m/s at an angle of 30 degrees above the horizontal. How much farther did the ball travel on the Moon than it would have on Earth? For how much more time was the ball in flight?
A Carnot heat engine uses a hot reservoir consisting of a large amount of boiling water and a cold reservoir consisting of a large tub of ice and water. how much work W is performed by the engine
The Pfund series results from emission/absorption of photons due to transitions of electrons in a hydrogen to/from the n = 5 energy level from/to higher energy levels
Consider a 10-kg block resting on a frictionless plane inclined 30 o connected by a rope through a pulley to a 10-kg block hanging free. What is the direction and magnitude of the resulting acceleration of the 2-block system?
A race car, traveling at a constant speed of 50 m/s, driver around a circular track of radius 500 m. What magnitude acceleration does it experience
Consider diving 30.0m below the surface of the ocean (density 1.03 grams/cc). what is the gauge pressure at that depth
A rifle is aimed horizontally at a target 51 {rm m} away. The bullet hits the target 1.5 {rm cm} below the aim point. What was bullet's speed as it left the barrel.
Suggest a proper answer with proof for if frequency of incident radiation is doubled, what will be the effect on maximum kinetic energy of photo electrons
A raindrop of mass 3.27 10-5 kg falls vertically at constant speed under the influence of gravity and air resistance, What is the work done on the raindrop by air resistance
two semicircular filament have a common diameter. one lies in the x-y plane and one in the x-z plane. the curved portion of each carries a uniform line charge density (rho). find the electric filed at the common cetner of the semicircles
A partly-full paint can has 0.79 U.S. gallons of paint left in it. What is the volume of the paint and how thick is the layer of wet paint
A 43.0-N child is in a swing that is attached to ropes 1.60 m long. Find the gravitational potential energy associated with the child relative to her lowest position at the following times.
Calculate the electric field(magnitude and direction) at the center of a square 52.5 on a side if one corner is occupied by a - 38.8 charge
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