A pile driver lifts a 450 kg weight and then lets it fall onto the end of a steel pipe that needs to be driven into the ground. A fall of 1.5 m drives the pipe in 45 cm.

What is the average force exerted on the pipe?

Which of the following is an example of abuse? Trust Jealousy Talking things out Saying "No"

When the measures of a song contain three beats each, the meter is said to be A. triple. B. duple. C. quadruple. D. triangular.

When the temperature of a coin is raised by 79 °f, the coin's diameter increases by 1.90 * 10-5 m. if the original diameter is 1.55 * 10-2 m, find the coefficient of linear expansion?

Lester prepares to lift a heavy sack of flour into a customer's shopping cart. During which part of the action does Lester do work?

Why spoon can sound like a bell

Comparing and contrasting ionic and covalent bonds?

Elevation above sea level is called

The train traveled 500 kilometers north to Odessa in 2 hours. What's the train's speed? What is the velocity?

Are microwaves and radio waves faster or slower than other types of electromagnetic energy?

If you dive under-water, you notice an uncomfortable pressure on your eardrums due to the increased pressure. The human eardrum has an area of about 70 mm2 (7*10-5m2), and it can sustain a force of about 7 N without rupturing.