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A 10 g bullet traveling at 440m/s strikes a 7.0kg , 1.2-m-wide door at the edge opposite the hinge. The bullet embeds itself in the door, causing the door to swing open.
What is the angular velocity of the door just after impact?
A nonreflective coating (n = 1.35) covers the glass (n = 1.52) of a camera lens. determine the minimum nonzero thickness that the coating can have
So as to simulate weightlessness for astronauts in training, they are flown in a vertical circle. If the passengers are to experience weightlessness, how fast must an airplane be moving at the top of a vertical circle with a radius of 1545 m.
A 7.30 kg bowling ball strikes a 1.60 kg pin at rest head-on. What is the velocity of the pin after the collision
While running home from second base a 67 kg runner rounds third base at a speed of 3.1 m/s, What is the centripetal force of this turn on third base
In a serve, a tennis player hits the ball horizontally. Neglect the effects of air resistance and the diameter of the ball. Where will the ball land if it just clears the net
Three moles of a monatomic ideal gas are heated at a constant volume of 2.23 m3. What is the change in the temperature of the gas
The earth orbits the sun in an approximately circular orbit of radius 1.496x10^11 m, Use these data to determine the mass of the sun
Two speakers, one directly behind the other, are each generating a 152-Hz sound wave. What is the least separation distance between the speakers that will produce destructive interference at a listener standing in front of them.
The diameters of the main rotor and tail rotor of a single-engine helicopter are 7.69 m and 1.04 m, respectively. The respective rotational speeds are 452 rev/min and 4,140 rev/min. Calculate the speeds of the tips of both rotors
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
In a vacuum a proton (charge =1.60 E-19 C, mass = 1.67×10-27 kg) is moving parallel to a uniform electric field that is directed along the +x axis, Determine the acceleration of the proton
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. This moon takes 1710 * 10^3 seconds, calculate the moon\'s radial acceleration.
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