Where does the word 'robot' come from?

What Kinetic Energy does the sack have just before it strikes the floor? -A 98.0 N sack of grain is hoisted to a storage room 50.0 m above the ground floor of a grain elevator.

In each case the momentum before the collision is: (2.00 kg) (2.00 m/s) = 4.00 kg * m/s 1. In each of the three cases above show that momentum is conserved by finding the total momentum after the collision. 2.

A helicopter hovers 200 meters over the ground and releases a relief packet. How much time does it take for the food packet to reach the ground?

Complete these sentences. If a roller coaster train has a potential energy of 1,500 J and a kinetic energy of 500 J as it starts to travel downhill, its total energy isJ.

At amusement parks, there is a popular ride where the floor of a rotating cylindrical room falls away, leaving the backs of the riders "plastered" against the wall. Suppose the radius of the room is 2.

Consider the following distribution of objects: a 3.00-kg object with its center of gravity at (0, 0) m, a 4.20-kg object at (0, 6.00) m, and a 1.40-kg object at (1.00, 0) m. Where should a fourth object of mass 7.

A Volt/Amp Is Also Known As.?

What's the difference between mass & weight & how they are measured

Use the graph of distance versus time to complete the sentences. The cars on the higher track travel the cars on the lower track, in the same time. This means that the cars on the higher track have a average speed than those on the lower track.

List at least 3 physical properties that the professor describes of his newly discovered flubber