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A 70 g bullet traveling at 250 m/s penetrates a block of ice at 0°C and comes to rest within the ice. Assuming that the temperature of the bullet does not change appreciably, how much ice is melted as a result of the collision?
Two identical wheels are moving on horizontal surfaces. The center of mass of each has the same linear speed. Determine the maximum height reached by each wheel as it moves up the incline
David Purley, a racing driver, survived deceleration from 173 km/hto 0 km/h over a distance of .660 m when his car crashed. find the average force acting on him during the crash
A room with 2.9m high ceilings has a metal plate on the floor with V= 0V and a separate metal plate on the ceiling. How high does the ball go if the ceiling voltage is 3.5×10^6V
The focal length of a simple magnifier is 7.60 cm. Assume the magnifier to be a thin lens placed very close to the eye. what is the height of its image formed by the magnifier
The distance between the lenses in a compound microscope is 18 cm. The focal length of the objective is 1.5 cm. what must be the focal length of the eyepiece
a 300-kg load is hung on a wire of length 5.00 m cross-sectional area 0.200 times 10-4 m2 and youngs modulus 8.00 times
calculate stopping distance from 62 mph for a vehicle with a tireroad friction coefficient equal to 0.6 0.8 and 1.0
How long does it take for amplitude to drop to half its initial value . How long does it take for mechanical energy to drop to half its initial value.
A proton moving at 3.000 * 10^4 m/s is projected at an angle of30.00 degrees above a horizontal plane. If an electric fieldof 400.0 N/C is directed downwards, how long does it take the proton to return to the horizontal plane. Ignore the effectsof gr..
A cylinder of height 2 meters and radius 1 meter has its axis along the x axis the bottom of the cylinder lies in the yz plane. Find the flux through the Top part of the cylinder
Carry out the following arithmetic operations: (a) sum of the measured values 756, 37.2, 0.83 and 2.5. The answer must be in significant digits. Since 2.5 and 0.83 have two significant digits, shouldn't the answer be 800 instead of 797.
A river flows due east at 1.20 m/s. Aboat crosses the river from the south shore to the north shore by maintaining a constant velocity of 12.0 m/s due north relative to the water. What is the velocity of the boat relative to shore?
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