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Q. Is the kinetic energy of the bullet-bob system immediately after the collision greater than, less than, or the same as the kinetic energy of the system just before the collision?
Q. A ball rolls horizontally off the edge of a tabletop that is 0.72 m high. It strikes the floor 2.80 m away from the edge of the table. What is the initial (horizontal) velocity of the ball? Ignore air resistance.
How much horizontal force should a sprinter of mass 57.0 exert on the starting blocks to produce this acceleration.
When catching a baseball, a catcher's glove moves by 12cm along the line of motion of the ball. If the baseball exerts a force of 477N on the glove, how much work is done by the ball.
Change values of the initial position, initial velocity, and the acceleration of the car so that its center follows the same path as the dot. What is the equation that describes motion of the dot.
A certain brand of hotdog cooker works by applying a potential difference of 142 V across opposite ends of a hot dog and allowing it to cook by means of the thermal energy produced.How much electrical energy is transferred to thermal energy.
Compute the Brewster’s angle and angle of refraction.
Released from rest at the same height, a can of frozen juice rolls to the bottom of the same hill. What is the translational speed of the frozen juice can while it reaches bottom.
Calculate the centripetal force on the motorcycle.
In the 1950s, an experimental train that had a mass of 2.30 x 10^4 kg was powered across a level track by a jet engine that produced the thrust of 5.30 x 10^5 N for a distance of 504 m. unless otherwise directed, suppose that air resistance is neglig..
A piston, A, as shown below, has a diameter of 0.61 cm. A second piston, B has a diameter of 3.7 cm. Determine the force, F, necessary to support 500.0 N weight in the absence of friction.
What is the average speed of a rider on this Ferris wheel.
what is the horizontal distance x to the base. find the average net force exerted on him in the barrel of the cannon.
A paratrooper pilot fell 360 m after jumping without his parachute opening. He landed in a snow bank, creating a crater 1.50 m deep, but survived with only minor injuries. Assume the pilot's mass was 80 kg and his terminal velocity was 50 m/s.
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