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Question: A physics professor did daredevil stunts in his sparetime. his last stunt was an attempt to jump across a river on a motorcycle. The takeoff ramp was inclined at 53.0", the river was 40.0 m wide and the far bank was 15.0 m lower than the top of the ramp. The river itself was 100 m below the ramp. You can ignore air resistance.
(a) What should his speed have been at the top of the ramp to have just made it to the edge of the far bank?
An electron and proton are separated by 2.0 nm. What is the net force on the system
A ladder is leaning against a wall by negligible friction. It is at an angle of 70 degrees to the horizontal, has a mass of 10kg and is 4 meters long. Its center of mass is 1/3 from the bottom end. What is the minimum coefficient of static friction t..
A 0.100 m long solenoid has a radius of 0.050 m and 1.50 x104 turns. Determine the mutual inductance of this combination
The windshield of a speeding car hits a hovering insect. Consider the time interval from just before the car hits the insect to just after the impact. Which of the following are right.
Vector A has a magnitude of 6.00 m and vector be has a magnitude of 3.00 m. What is the two possible values for the scalar product of these two vectors
A beam of protons moves in a circle of radius 0.34 m. The protons move perpendicular to a 0.29-T magnetic field. (a) What is the speed of each proton? (b) Determine the magnitude of the centripetal force that acts on each proton
Two lenses are placed 30 cm apart. The first lens has a focal length of +20 cm, and the second lens has a focal length of -10cm. If an object is placed 100 cm in front of the first lens, where is the final image located? Give your answer in relation ..
1. The area of a piston in a force pump is 10 in2. What force is required to raise water with the piston to a height of 90 ft?
A particle with negative charge and mass = 2.50×10?15 is traveling through a region containing a uniform magnetic field. Determine the cyclotron frequency of the particle
35MW of power at 45kV (rms) arrives at a town from a generator via 3.4? transmission lines. Calculate the fraction of the power generated that is wasted in the lines
A truck of mass 7,000 kg is traveling along a level road at an initial speed of 20 m/s. Find the total work done on the truck
Unpolarized light of intensity I0 is incident on three polarizing filters. The axis of the first is vertical, What light intensity emerges from the third filter
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