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Dan hits a hockey puck, giving it an initial velocity of 3.0m/s. If the coefficient of kinetic friction between ice and puck is0.020, How far will the puck slide before stopping?
Which of the following must be true if we are to infer (calculate) a star's luminosity directly from the inverse square law for light.
a person (weight W = 598 N, L1 = 0.849 m, L2 = 0.398 m) doing push-ups. Find the normal force exerted by the floor on each hand and each foot
A laser beam takes 51.9 ms to be reflected back from a totally reflecting sail on a spacecraft. How far away is the sail
A solenoid is to be constructed that will have a resistance of 5.00 ohms and produce a magnetic field of 0.0400 T at its center when it carries a current of 4.00 A. The solenoid will be made of wire that is 0.500 mm in diameter and have a radius that..
A box weighing 77.0 N rests on a table. A rope tied to the box runs vertically upward over a pulley and a weight is hung from the other end. Determine the force that the table exert on the box if the weight hanging on the other side of the pulley ..
A small 15{rm g} bug stands at one end of a thin uniform bar that is initially at rest on a smooth horizontal table. The other end of the bar pivots about a nail driven into the table and can rotate freely, without friction.
Imagine you are pushing a 15 kg cart full of 25 kg of water up a 10 degree ramp. If the coeff. of friction is .02, what is the total force needed to push it up the ramp
A proton is released from rest in a uniform electric field of magnitude 1.08^5 N/C. Find the speed of the proton after it has traveled
A juniper-wood plank measuring 0.36 ft by 1 ft by 15 ft is totally submerged in water. What is the buoyant force acting on it
A cue stick hits a cue ball with an average force of 23.8 N for a duration of 0.0246 s. how fast is it moving after being struck
question1an airplane flies 200 km due west from city a to city b and next 335 km in direction of 30.0deg north of west
A force with a magnitude of 25 N and directed at an angle of 37° above the horizontal is used to move a 10-kg crate along a horizontal surface at constant velocity
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