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a skier starts from rest at the top of a hill inclined at 10.5 degrees. The hill is 200m long and the coefficient of friction is .075. At the bottom the hill the friction remains the same. How far does she slide before coming to a rest?
A raft made of wood has a density of 600 kg/m^3. Its surface area is 5.9 m^2 and its volume is 0.6 m^3. how much of the raft is below water
An electron moving parallel to the x axis has an initial speed of 3.70x10^6 m/s at the origin. Calculate the potential difference between the origin and that point.
Two equal point charges of magnitude 4.0 µC are situated along the x-axis at x1 = -2.0 m and x2 = -2.0 m. What is the electric potential energy of this system of charges
A rotating cylinder about 18km in length and 6km in diameter is designed to be used as a space colony. With what angular speed must it rotate so that residents on it will experience the same acceleration because of gravity on Earth.
The starter motor of a car engine draws a current of 180A from the battery. How far does an electron travel along the wire while the starter motor is on
A spherical bowling ball with mass m = 4 kg and radius R = 0.108 m is thrown down the lane with an initial speed of v = 8.8 m/s. How far does the bowling ball slide before it begins to roll without slipping
A telescope has magnification of 40 and length of 1230mm. What are the focal lengths of the eyepeice
A camera flash delivers 3.5kW of light power for 1.9ms, Find the total momentum carried by the flash p
You're an accident investigator at a scene where a drunk driver in a 1900 kg car has plowed into a 1800 kg parked car with its brake set. What do you report for the drunk driver's speed just before the collision
A 5 kg mass is attached to a 1-m long string. If the speed of the mass at the bottom of the swing is 3 m/s, what it the force in the string at this point
A 19 g bullet is shot into a 5270-g wooden block standing on a frictionless surface. The block, with the bullet in it, acquires a velocity of 2.4 m/s. compute the velocity of the bullet before striking block.
A block starts from rest at the top of a 30.0° inclined frictionless plane and after travelling 1.00 m encounters a spring, how much would the block compress the spring
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