How can you use energy conversation to predict the speed of the marble from the height?

What is an object that allows some electrons to go through it - current - resistor - generator

An alpha particle (charge + 2e) travels in a circular path of radius. 5m in a magnetic field of 1.0 T. Find the (a) period, (b) speed, and (c) kinetic energy (in electron volts) of the alpha particle. Take m = 6.

What are the three hallmarks of science

In which of the following situations is the greatest amount of work accomplished? A boy lifts a 9-newton box 0.3 meters. A boy lifts a 4-newton box 0.6 meters. A boy lifts a 6-newton box 0.3 meters. A boy lifts a 2-newton box 0.6 meters.

Which figure was responsible for the initial use of hypnosis as a medical treatment?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.

3. A 120.0 V generator supplies 3.0 kw of power. How much current ca the generator deliver?

An apple drops from a tree and hits the ground in 1.5s what is its speed just before it hits the ground?

Sound travels slow in cold air. Why does the speed of sound depend on air temperature?

A tow truck pulls a 500 kg car so that the car accelerates 2 m/s2. What is the net force on the car? 250 N 498 N 1000 N 502 N