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A small superball of mass m moves with speed v to the right toward a much more massive bat that is moving to the left with speedv. Obtain the speed of the ball after it makes an elastic head-on collision with the bat. (Use v for v and mfor m as necessary.)
A particle (mass = 0.40 kg) moves in one dimension (x) and the potential energy is V(x) = (?1/2) q x2 with q = 7.35 J/m2. The initial conditions at t = 0 are velocity = 0 and position x0 = 2.9 m.
A rocket with a mass of 750 grams is launched straight up. It achieves a velocity of 25.00 m/s in 2.00 seconds, The average net force on the rocket is
A speedboat moves on a lake with initial velocity vector v1,x = 9.69 m/s and v1,y = -2.99 m/s, Find the speedboat's final speed
A rocket passes Earth and travels to a star, 80 light-years away. The earth hand the star are in the same frame of reference and the rocket moves at 0.9c with respect to the earth and the star. How many years does it take the rocket to reach this s..
Three equal mass lumps of clay flying through theair hit each other, stick, and fly off together. The originalvelocity of one lump was 4 m/s in a direction 450 south of east.Another was 3 m/s in the west direction and the last was 2 m/s inthe nort..
The Earth is 93 million miles (mi) from the Sun and its period of revolution is 1 year = 3.15 x 10^7 s. What is the acceleration of the Earth in its orbit about the sun?
An electron and a positron each have a mass of9.11 10-31 kg. They collide and both vanish, with onlyelectromagnetic radiation appearing after the collision. determine the energy of the electro magnetic radiation
Discuss the possible changes of whales' songs as a result of temperature, wave speeds, and etc. How could you distinguish the whales' songs from other songs
A Carnot engine operates between the temperatures of850K and 300K. What is the average power developed by this engine
The catapult on an aircraft carrier can take an aircraft from 0 to 197 mph ( the launch speed) in 5 Seconds, at which time the aircraft launches
it is found experimentally that the electric field in a certain region of earths atmosphere is directed vertically
A wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's center
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