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In a ballistics test, a 22.0g bullet traveling horizontally at 1300m/s goes through a 30.0cm -thick 350kg stationary target and emerges with a speed of 900m/s. The target is free to slide on a smooth horizontal surface.
1. How long is the bullet in the target?
2. What average force does the bullet exert on the target?
3. What is the target's speed just after the bullet emerges?
when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find out the potential at B.
Find the use of an NPN common emitter transistor, advantage of direct - coupled amplifier and bandwidth of an amplifier.
The bullet becomes lodged in the block, and the two slide together on the floor for a distance of 1.3 m before coming to rest. If the coefficient of friction between the block and the floor is 0.40, Elucidate what is the mass of the block?
A capacitor C stores charge Q when there is a potential difference V. When a potential difference of V + 12.5Volts is used, an extra 45.50 microC of charge is stored. What is the capacitance C.
Two identical pellet guns are fired simultaneously from the edge of a cliff. These guns impart an initial speed of 24.1 m/s to each pellet. Gun A is fired straight upward, with the pellet going up and then falling back down, eventually hitting the..
A convex mirror has a focal length of magnitude 7.63 cm. Find the magnification of the image.
A helicopter is ascending vertically with a speed of 5.00m/s . At a height of 120m above the Earth, a package is dropped from a window. Evaluate how much time does it take for the package to reach the ground?
A stand, string, a paper or plastic cup, a nail, a roll of paper towels or similar sized paper, coloured sand, or some other dry powdery product, and a ruler or measuring tape.
What is the coefficient of static friction
You drop a stone into a deep well and hear it hit the bottom 2.40 s later. This is the time it takes for the stone to fall to the bottom of the well, plus the time it takes for the sound of the stone hitting the bottom to reach you. Sound travels ..
A simple pendulum with mass m = 1.5 kg and length L = 2.41 m hangs from the ceiling, What is the magnitude of the radial acceleration as the pendulum passes through the equilibrium point
Light is reflected from a transparent coffee table. When the angle of incidence is 63.3°, What is the index of refraction of the material of the table
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