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In a physics lab, a cube slides down a frictionless incline and elastically strikes another cube at the bottom that is only 1/10 it's mass. If the incline is 30 centimeter high and the table is 90 centimeter off the floor, determine where does each cube land? [Hint: Both leave the incline moving horizontally.]
A wheelchair athlete is training on a stationary ergometer. Her wheel's angular velocity is 3 rev/s and diameter is 80.0 cm. What is the linear velocity at the wheel's circumference
A small mailbag is released from a helicopter that is descending steadily at 2.13 m/s. How far is it below the helicopter
A stunt man (69.3 kg) swings across a valley at the end of a 28.2 m long rope. Find the tension in the rope at the bottom of the swing
A ball of mass 0.120 kilogram is dropped from rest from a height of 1.25 meter. Determine what impulse was given to the ball by the floor
A 1400 kg car traveling in the positive direction takes 15.0 seconds to slow from 25.0 meters per second to 12.0 meters per second
A motorcycle, which has an initial linear speed of 8.1 m/s, decelerates to a speed of 1.9 m/s in 6.7 s. find the angular displacement (in rad) of each wheel
A proton is accelerated through apotential difference of 1,000 V. After leaving the region of the electric field, the proton enters a magnetic field and is observedto be on a curved path of radius 5.0 cm. Assuming the magneticfield is perpendicula..
this question requires a numeric or algebraic answer. in order to receive full credit for this problem you must show
A composite bar made from two different materials of equal cross-sectional areas are directly attached to each other making the bar a length of L = L1 + L2.
A room is lighted with four 100 W incandescent light bulbs. (The power of 100 W is the rate at which a bulb changes electrical energy to heat and the energy of visible light.) Assuming that 77% of the energy is converted to heat, how much heat does t..
Suppose the highway is icy and the coefficient of friction between the tires and pavement is only one-third what you find in part (a). Illustrate what should be the maximum speed of the car so it can round the curve safely?
Starting from a rest a car accelerates at 2.3 m/s2 up a hill that is inclined 5.9 degrees above the horizontal. How far vertically has the car traveled in 15 seconds
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