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During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of +4.1 m/s, grabs and holds onto him so that they move off together with a velocity of +2.4 m/s. If the mass of the tackler is 125 kg, determine the mass of the receiver. Assume momentum is conserved.
Two long, straight wires that are suspended from a ceiling. The mass per unit length of each wire is 0.071 kg/m. Each of the four strings suspending the wires has a length of 1.2 m. When the wires carry identical currents in opposite directions, t..
A street lamp weighs 152N. It is supported equally by two wires that form the angle of 120° with each other. What is the tension of each of these wires.
two 2.50 cm x 2.50 cm plates that form a parallel-plate capacitor are charged to 0.706 .a. what is the potential
a man stands on a platform that is rotating without friction with an angular speed of 1.2 revs his arms are
considered the positive direction what is the force
The side mirrors on cars are convex mirrors. If the side mirror on the driver side of your car has a focal length with a magnitude of 5.90 m, Determine image distance of the truck
The blades in a blender rotate at a rate of 7300rpm. What is the angular acceleration as the blades slow down
If an astronaut dropped a small rock near the surface of Neptune, how far (in m) would the rock fall in 1.5 s
A ball of mass 0.1 kg is suspended vertically from the ceiling with a "massless" string and brought to rest. what will be the magnitude of the resulting angular acceleration
Two charges of identical magnitude exert an attractive force of 2.5 x 10-4 Newton on each other. If the magnitude of each charge is +2.2 μC, determine how far apart are the charges
An automobile starts from rest and accelerates to a final velocityin two stages along a straight road. Each stage occupies the sameamount of time. In stage 1, the magnitude of the car's accelerationis 2.11 m/s2. The magnitude of the car's velocity ..
A 5 gram bullet is fired horizontally into a 15 kg block of wood suspended by a rope from the ceiling. What is the kinetic energy of the bullet just before it hits the block
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