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Q. How fast will the electron be moving when it is very far away? An electron starts from rest 45.0 {rm cm} from a fixed point charge with -0.136 {rm nC}.
Q. A ball rolls horizontally off the edge of a tabletop that is 0.85 m high. It strikes the floor 2.80 m away from the edge of the table. What is the initial (horizontal) velocity of the ball? Ignore air resistance.
A 4.80 long, 600 steel beams extends horizontally from point where it has been bolted to the framework of a new building under construction. A 75 construction worker stands at the far end of beam.
A hunter aims directly at a target (on the same level) 140 m away.
A solid, frictionless cylindrical pulley with a mass of 3kg and a 0.420 m radius is used to draw water from a well. A 1.50kg bucket is attached to a cord that is wrapped around the pulley. If the bucket starts from rest at the top of the well and ..
A 5 kg toy race car can move along an x axis. It gives Fx of the force acting on the car, that begins at rest at time t = 0. (The vertical axis is marked in increments of 2.5 N.) what is the momentum at t=6?
John can hit a golf ball 310m on earth. on the moon's surface, g=1/6 gravity of earth, so how far could he hit the same ball if he could only achieve half an initial velocity achieved on earth.
Write down an energy transformation equation
The difference in piezometric pressure, pz,A – pz,B. Express both answers in kPa and pressure differences pA - pB.
On a cool morning, when the temperature is 16.0 ^circC, you measure the pressure in your car tires to be 20.0 psi. After driving 30.0mi on the freeway, temperature of your tires is 51.0 ^circC.
How far downstream will you be carried. The water in a river flows uniformly at the constant speed of 2.03 m/s between parallel banks 87.7 m apart.
What is the new acceleration of box
A ball rolling along at speed v without slipping on a horizontal surface while it comes to a hill that rises at a constant angle above the horizontal.
A 1.50 multiplied by 103kg car starts from rest and accelerates uniformly to 18.50m/s in 13s. Assume that air resistance remains constant at 400N during this time.
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