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Q. Two people are each standing 3.0 m in front of a large plane mirror and are spaced 6.0 m apart. At what angle of incidence should one of them shine a flashlight on the mirror so that the reflected beam will strike the other?
Q. Two equal forces act on the two different objects, one of which has a mass ten times as large as the other. Will the more massive object have a larger acceleration, an equal accelearation, or a smaller acceleration?
A 400 kg car sits 2 m to the right of a fulcrum assume car is on a weightless rod, how far to the left of the fulcrum should an effort of 200 N be applied to keep the system in quilibrium.
A crate is pulled by a force (parallel to the incline) up a rough incline. The crate has an initial speed of 1.5m/s. The crate is pulled a distance of 7.5 m on the incline by a 150 N force. The acceleration of gravity is 9.8m/s² mu=0.15
You then maintain a constant speed of 65.0 mph. You pass the patrol car 16 seconds after you at first applied the brakes and are relieved that he doesn't pull out after you. How far away was the highway patrol car when you first saw it.
Write a general expression of the flux
Compute the average intensity
A 105 granite cube slides down a 40 frictionless ramp. At the bottom, just as it exits onto a horizontal table, it collides with a 265 steel cube at rest. How high above the table must the granite cube be released to give the steel cube a speed of..
Is kinetic energy consumed in the third type of collision studies? Classify the three collision kinds as elastic, inelastic, or completely inelastic.
At what height above the surface of the earth does the balloon have a velocity of 8.10 m/s.
What is an initial speed given to the rock
Assuming the diver has inhaled a negligible amount of air from the tank, what is the temperature of the ocean water.
If the bullet has a mass of 21.5 and a speed of 310 , how high would the block rise into the air after the bullet becomes embedded in it.
A toy train rolls around a horizontal 1.30 diameter track. The coefficient of rolling friction is 0.10.
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