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A particle with a charge of 4.10 is in a uniform electric field directed to the left. It is released from rest and moves to the left; after it has moved 6.00 , its kinetic energy is found to be 1.50×10?6 . What work was done by the electric force?
Determine the acceleration of the bullet while in the barrel? A bullet in a rifle barrel does not have constant acceleration, but constant acceleration is to be assumed for this problem.
Sharon has a mass of 60 kg and is standing on a giant skateboard that is initially at rest and has a mass of 30kg. what is the speed of the skateboard
An electron and a positron each have a mass of 9.11 x 10-31 kg. They collide and both vanish, determine the energy of the electromagnetic radiation
A father and a daughter balance a teeter totter
Calculate the mass of a solid gold rectangular bar that has dimensions lwh = 4.20 cm 12.0 cm 29.0 cm. (The density of gold is 19.3 103 kg/m3.
A string with a mass per length of 2.00 gm/m is stretched with a force of 120 N between two points that are 0.40 m apart. What is the length of the organ pipe
In a women's 100-m race, accelerating uniformly, Laura takes 1.87 s and Healan 3.12 s to attain their maximum speeds, which they each maintain for the rest of the race.
Human skin is most sensitive to ultraviolet light of approximate wavelength 300 nm. The threshold for sunburn occurs when 1 cm2 of skin absorbs about 1015 of these UV photons over an interval of several hours or less. How much energy is absorbed
Find the magnitude of , the acceleration of the car after the brakes are applied. Express your answer in terms of some or all of the variables d, t, and v.
A slingshot consists of a rubber strap attached to a y-shaped frame, with a small pouch at the center of the strap to hold a rock or other small projectile. FIND the potential energy of the system prior to release
Two parallel wires are separated by a distance of 5.00 cm. Each wire carries a current of 2.69 A in the same direction, Is the force attractive or repulsive
q1. ricardo walks 22.0 in a direction 50.0 west of north. jane walks 20.0 in a direction 30.0 south of west. they after
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