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Two men are trying to roll the boulder by applying the forces shown. Determine the magnitude and direction of the force that is equivalent to the two applied forces.
a supertanker with the mass of 8.92 times 109 kg is moving with a constant velocity. its engines generate a forward
A Thermo pane window consists of two glass panes, all 0.32 cm thick, with a sealed layer of air of thickness 0.7 cm among them. If the inside surface temperature is 18? Cand the outside surface temperature is 1?
A ball is thrown horizontally from the roof of a building 56 m tall and lands 45 m from the base. What was the ball's initial speed
A 200-kg crate is pushed horizontally with a force of 715 N. If the coefficient of friction is 0.20, compute the acceleration of the crate.
1. two cars are traveling along a straight line in the same direction the lead car at 24.0ms and the other car at
A bicycle wheel initially rotating at 3 rad/s, the rotation increases to 7 rad/s within 6 seconds. Find the bicycle wheel's angular acceleration in rad/s^2
A ball dropped from a height of 4.00 m makes an elastic collision with the ground. Assuming no mechanical energy is lost due to air resistance, a) show that the ensuing motion is periodic, b) find the period of the motion.
A positively charged rod is brought close to one end of an uncharged metal rod but does not actually touch it. What type of charge does the end of the metal rod closest to the positively charged rod acquire?
A softball of mass 0.220 kg that is moving with a speed of4.5 m/s (in the positive direction)collides head-on and elastically with another ball initially atrest. Calculate the mass of the target ball
A 15 kilogram mass slides down an inclined plane, which makes an angle of 37o with the horizontal. The coefficient of kinetic friction is 0.40. Estimate what is the acceleration of the mass
What is the moment of inertia of the object about an axis at the center of mass of the object, What is the moment of inertia of the object about an axis at the left end of the rod
A laser emits light at power 3.00 mWand wavelength 633 nm. The laser beam is focused (narrowed) untilits diameter matches the 1266 nm diameter of a sphere placed in itspath. What is the beam intensity at the sphere's location
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