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A 12 g bullet moving horizontally strikes and remains in a 3.0 kg block initially at rest on the edge of table. The block, which is initially 80 cm above the floor, strikes the floor a horizontal distance of 120 cm from its initial position. What was the initial speed of the bullet?
Suppose you are driving on the interstate at 90 mph when you see a highway patrol car parked upahead. You apply your brakes, decelerating at a constant rate of4.4 mph/sec until you have reduced your speed to 65 mph.
A wheel 65 cm in diameter accelerates uniformly from 230 rpm to 355 rpm in 7s. How far will a point on the edge of the wheel have traveled in this time.
a what plate area is required if an air-filled parallel-plate capacitor with a plate separation of 2.5 mm is to have a
A 62.5 skier is moving at 6.00 on a frictionless, horizontal snow-covered plateau when she encounters a rough patch 3.10 long. How fast is the skier moving when she gets to the bottom of the hill
A copper rod has a length of 1.0 m and a cross-sectional area of 4.1 x10-4 m2. What is the mass of ice per second that melts
A square with ½-meter long sides has +1 nC at the top left corner, +2 nC at the bottom right corner, Calculate the components of the Electric field at the top left corner add each contribution separately
a charge of 3.47 micro columbs is held fixed at the origin a second charge of 3.47 micro columbs is released from rest
A little league player balances a bat 57.0 cm from one end. She then hangs her 0.540-kg batting helmet on that end of the bat, Determine the mass of the bat
An outside loudspeaker (considered a small source) emits sound waves with a power output of 120 W. Find the intensity level in decibels at that distance
Equipotentials between two parallel lines with a floating circular electrode: I dont need to know the exact potentials, What should be the potential inside the electrode
A converging lens and a diverging lens, separated by a distance of 20.5 cm, are used in combination. What is the focal length of the diverging lens
A conducting rod whose length is 25.0 cm is placed on a U-shaped metal wire that has a resistance R of 8.00 ohms. Find the magnitude and direction of the induced current in the wire
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