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1. A 30-06 caliber hunting rifle fires a bullet of mass 0.0129 kg with a velocity of 602 m/s to the right. The rifle has a mass of 5.17 kg. What is the recoil speed of the rifle as the bullet leaves the rifle? Answer in units of m/s.
2 A. When a 0.8 kg baseball is hit, its velocity changes from 22 m/s to 26 m/s. What is the magnitude of the impulse delivered with the bat to the ball? Answer in units of N· s.
B. If the base ball is in contact with the bat for 1.3 ms, what is the average force exerted with the bat on the ball? Answer in units of kN.
3. A 0.16 kg ball of dough is thrown straight up into the air with an initial speed of 16 m/s. The acceleration of gravity is 9.8 m/s2.
A. What is its momentum at its maximum height? Answer in units of kg m/s.
B. What is its momentum halfway to its maximum height? Answer in units of kg m/s.
Using m=mo/(1-v^2/c^2)^(1/2) to describe the special relativistic effects on an electron orbiting with a speed v in an atom, estimate the percentage correction to the n=1 energy in a hydrogen atom or a uranium atom.
A large merry-go-round completes one revolution every 36.0 s. Compute the acceleration of a child seated on it
To pump out a subway, a pump is used that can increase the absolute pressureon the pool of water at the bottom of yhe subway to 400 kpa. what is the flow velocity at street level
A bat flying in complete darkness emits high frequency sound of 100 kHz to locate objects. What is the frequency in which the bat is received
A person stands at a point,241 min front of the face of a sheer cliff. If the person shouts, how much time will elapse before an echo is heard
An ideal gas at 23.3°C and a pressure 1.60 105 Pa is in a container having a volume of 1.00 L. (a) Determine the number of moles of gas in the container. mol (b) The gas pushes against a piston, expanding to twice its original volume, while the press..
The ball is free from rest with the line taut and horizontal (θ = 90.0°). At what angle θ (measured from the vertical) would the fishline break.
A turntable has a moment of intertie of 3.00 x 10-2 kg•m2 and spins freely on a frictionless bearing at 25.0 rev/min. Find by what factor the angular momentum of system change after the putty is dropped onto the turntable
question a seconds pendulum is one that moves through its equilibrium position once each second. the period of the
Through the total eclipse of the sun, the moon just obscures the sun. The distance from the earth to the moon is 3.84×10 8 m and the distance from the earth to the sun is 1.50×10 11 m. Estimate the ratio of the diameter of the sun to the moon.
A rocket is fired at a speed of 71.0 m/s from ground level, at anangle of 56.0 ° above the horizontal. The rocket is firedtoward an 20.6-m high wall, which is located 20.0 m away.
an elevator mass 4900 is to be designed so that the maximum acceleration is 6.30times10-2.what is the maximum force
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