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A 60.0 kilogram woman stands at one end of a 120 kilogram raft that is 6 meter long. The other end of the raft is 0.5 meter from a pier.
a) The woman walks toward the pier until she gets to the other end of the raft and stops there. Now find the distance between the raft and the pier?
b) In a), determine how far did the woman walk (relative to the pier)?
Consider the following fission reaction (1n)+235U --> 90Kr + 142Ba +4(1n) +6 \(\gamma\) where 90Kr and 142Ba are the initial fission fragments. What is the total energy eventually emitted
A person's leg measures 40 cm between the knee and the hip, with an average leg diameter of 12 cm. What are the fractions of muscle and fat in the leg
You find that it takes a horizontal force of 160 Newton to slide a box along the surface of a level floor at constant speed. find what horizontal acceleration would the 160 Newton force provide
Two charged objects experience a mutual repulsive force of 0.86N. If the charge of one of the objects is reduced by half and the distance separating the objects istripled, what is the new force? (Enter the magnitude of the force.)
A basketball player passes the 0.60-kg basketball to another player with bouncing it off the court. The ball hits the court by a speed of 5.5 m/s at an angle of 67° from the vertical. If the ball rebounds with the similar speed and angle, what was th..
A boy of mass 35 kg and a girl of mass 40 kg are skating towards each other with speeds of 2.5 m/s, and 2.0 m/s respectively. Assume that there is no friction, and find their combined velocity after they meet
a tortoise and hare start from rest and have a race. as the race begins both accelerate forward. the hare accelerates
why if the potential is constant on a surface,then any electric field present can only beperpendicular to that surface?... can you please explain howthis is true in more detail.
A rocket moves upward, starting from rest with an acceleration of 33.4 m/s2 for 3.47 s. It runs out of fuel at the end of the 3.47 s but does not stop. How high does it rise above the ground.
A sealed tube (0.5 L) in volume confines two moles of an ideal gas at a pressure of 2 atm. What is the average kinetic energy of a gas molecule
In a head-on collision, a car stops in 0.16 from a speed of 28. What force is applied to the driver by his seat belt during that fraction of a second
A force of 323N is applied horizontally to a crate in order to displace crate 30m across a level floor at a constant velocity. As a result of this work.
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