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A 75.0 kilogram professional diver performs a dive from a platform 10 meter above the water surface. Determine the average impact force she experiences in her collision with the water if the collision lasts for 0.950 second.
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Starting from rest, a 1.8 10-4-kg flea springs straight upward. While the flea is pushing off from the ground, What is the flea's speed when it leaves the ground
A positively charged conducting sphere is orbited by an electron at a constant distance. The potential difference that the electron experiences between two points in the orbit is equal to zero.
A "swing" ride at a carnival consists of chairs that are swung in a circle by 18.5 m long cables attached to a vertical rotating pole, Find the speed of the chair
A 1100kg- car rolling on a horizontal surface has speed = 65km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 3.0m. What is the spring stiffness constant of the spring
a tank whose bottom is a mirror is filled with water to a depth of 19.6 cm. a small fish floats motionless 6.20 cm
Two steel juggling balls each carry a charge of 2.75 ?C. determine the distance between the centers of the two balls
An object oscillates in 1-D with an amplitude of 10 cm. At t = 0 s, its position is x = - 5 cm, What is the velocity of the object
question velocities have both direction and magnitude and thus are vectors. the magnitude of a velocity vector is
a person pushes a 16.0-kg shopping cart at a constant velocity for a distance of 28.0 m. she pushes in a direction
A small spherical lump of conductor, with a radius R = 0.1m, has a charge of 0.01 C placed on it. Compute the electrostatic potential energy of the system
A mass on a spring has an angular oscillati0n frequency of 2.81 rad/s. what is the potential energy stored in the mass-spring system
A bungee jumper momentarily comes to rest at the bottom of thedive before they spring back upward. At that moment, describe the bungee jumpers velocity, acceleration, and whether or not they arein equilibrum?
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