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A 2.00-kg mass object traveling east at 20.0 m/s collides with a 3.00-kg mass object traveling west at 10.0 m/s. After the collision, the 2.00-kg mass has a velocity 5.00 m/s to the west. How much kinetic energy was lost during the collision?
a spring with a force constant of 52 n m has a relaxed length of 2.45 m. when a mass is attached to the end of the
q1. the position of a pinewood derby car was observed at various times the results are summarized in the following
A bead with a mass of 0.02 g and a charge of 20nC is free to slide on a vertical rod. At base of the rod is a fixed 20nC charge.
At a certaindistance from a point charge, the magnitude of the electric fieldis 600 V/m and the electric potential is –3.00 kilo volt. What is the magnitude of the charge?
A counterweight of mass m = 3.80 kg is attached to a light cord that is wound around a pulley, What is the net torque on the system about the axle of the pulley
A small plastic bead has been charged to -15nC, What is the magnitude of the acceleration of a proton that is 0.90cm from the center of the bead
A uniform electric field has a magnitude 330 N/C and is directed along the +y-axis. what is the change in potential energy for this charge
Sound is considered an electromagnetic wave. The electric field in an electromagnetic wave is parallel to the magnetic field. An accelerating reference frame is considered as an inertial reference frame. In the photoelectric effect, light acts like a..
An object is located to the left of a convex lens with a focal length of 24 cm. The image formed is a real image, and the image is three times as large as the object. What is the distance between the object and the lens
the two most prominent wavelengths in the light emitted by a hydrogen discharge lamp are 656 nm red and 486 nmblue.
an air-core solenoid consists of 200 turns of wire wound on a form that is 45 cm long and has a inner diameter of 2 cm.
A person who weighs 686 N steps onto a spring scale in the bathroom, What is the weight of another person who compresses the spring by 0.313 cm
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