Choose the correct energy transformation for a rock falling from a cliff.

A wagon weighing 1800 newtons is pulled by a horse at a speed of 0.40 m/sec. what is the power of this horse?

A 50 gram bullet is fired through a 5 kg block of wood resting on a frictionless surface. The bullet has an initial speed of 500 m/s, while the block is initially at rest. After passing through the block, the bullet has a speed of 300 m/s.

Newton's second law problem. The spring constant can be determined from the balance of forces in equilibrium. Suppose the spring extends a distance LaTeX: / Delta Δ x when additional mass LaTeX: / Delta Δ m is added.

Why do astronomers use the word on to describe angles on the sky rather than angles in the sky?

Que es patria, Que es civimos, Cuales son los simbolos patrios, Que es ley, Que es la vandera, y como esta conformada

A ball of mass 5.0kg is lifted off the floor a distance of 1.7m. 1. What is the change in the gravitational potential energy of the ball? 2. Now you release the ball from rest, and it falls to the floor.

What is the device to break a circuit called?

A 3 column table with 5 rows labeled table A. The first column is labeled voltage in volts with entries 1.0, 5.0, 10, 20, 50. The second column is labeled current: calculated in amps with no entries.

When you stack three flashlight batteries in the same direction, you get a voltage of 3*1.5 volts = 4.5 volts. What voltage do you get if one of the batteries is turned to face in the opposite direction? a) 0 volts b) 1.5 volts c) 3 volts d) - 4.

If an ant were scaled up to the size of an elephant, the ant would be