What is the kinetic energy of a 2 kg snowball thrown through the air at 5 m/s?

The student quickly discovers that placing the marshmallow over the flame is more effective than heating the marshmallow on the side of the flame.

Will a lightning conductor work if it was left hanging in the air

The height of a helicopter above the ground is given by h = 2.65t3, where h is in meters and t is in seconds. at t = 1.55 s, the helicopter releases a small mailbag. how long after its release does the mailbag reach the ground?

In free fall the object with less air resistance falls with a greater acceleration

Matter that does not conduct energy easily

A 7700-kg box car traveling at 14 m/s strikes a second car at rest. The two stick together and move off with a speed of 5.0 m/s. What is the mass of the second car?

What will happen if there is a change in a magnetic field?

Question 2 10 pts The voltage in a particular circuit is 10.0 V. The current in the circuit is 20 A. What is the resistance? A. 2.0 B. 30 C. 200 D. 0.5

Where in the motion is the magnitude of the net force on the object a maximum? where in the motion is the speed a maximum?

Which movies are longer than 2 hours?