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As a 1220 kilogram truck travels up a 15.4 meter high hill, the non conservative forces of friction and the force generated by the engine do work on the truck. If the work done by friction is 3.22 x 105 Joule and the work done by the engine is +6.39 x 105 Joule, obtain the change in the truck kinetic energy as it travels from the bottom of the hill to the top of the hill.
What is the tangential acceleration of a bug on the rim of a6.0 in. diameter disk if the disk moves from rest to an angular speed of 77 rev/min in 4.0s? When the disk is at its final speed, what is the tangential velocity of the bug? What is its cent..
The atomic mass of ammonia is 17 atomic mass units. What is the atomic mass of nitrogen if a molecule of ammonia consists of one atom of nitrogen and three atoms of hydrogen?
A professor's office door is 0.98m wide, 2.2mhigh, 4.0cm thick; has a mass of 29kg , and pivots on frictionless hinges. What is the moment of Inertia on the door
a muon and an antimuon are moving in opposite directions with velocities of -0.6 c and 0.6 c respectively. when they
The 1.1 kilogram block is tied to the wall with rope. It sits on the top of the 3 kilogram block. Determine what is the acceleration of the 3 kilogram block
a car travels at a constant speed around a circular track whose radius is 2.70 km. the car goes once around the track
With what frequency should the tip be tapped to make the strip oscillate with maximum amplitude?
About 27% of the body of a person floating in the Dead Sea will be above the water line. find the density of the water in the Dead Sea
A 95-{rm m}-long train begins uniform acceleration from rest. The front of the train has a speed of 25 {rm m/s} when it passes a railway worker who is standing 120m from where the front of the train started. What would be the speed of last car as ..
The position of a 1.2kg mass is given by x = (2t^3 - 3t^2)m, where t is in seconds. What is the net horizontal force on the mass at t = 0s
question the electric potential at a point that is halfway between two identical charged particles is 300 v. what is
A copper washer is to be fit in place over a steel bolt. Both pieces of metal are at 29.7°C. to what temperature must the washer be raised so it will fit over the bolt
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