I drop a penny from the top of the tower and it takes 1.85 seconds to hit the ground. What is the velocity in m/s

Why is the monolith el capitan in yosemite national park more resistant to erosion than other igneous plutons in the park?

A student is standing in an elevator that is accelerating downward. The force that the student exerts on the floor of the elevator must be (1) less than the weight of the student when at rest (2) greater than the weight of the student when at rest

studies show that the ocean surface temperature is increasing which of the following is a possible consequences

What is power? Power is a measure of strength Power is the rate at which a force is applied to an object Power is the force multiplied by the distance Power is the rate at which work is done Power is the amount of work that is done

A 20kg child lifts his 0.5kg ball of the floor to put it away on his bookshelf 1.5 meters above the ground. How much work has he done?

Lisa has three classes that each last 50 minutes qhat ia the total nuber of minutes of minutes of the three classe?

Which has a greater speed a heron hat travels 600m in 60 seconds or a duck that travels 60 m in 5 seconds? Explain

A machine shovel moves dirt at the rate of 1,100 pounds of dirt 1 foot in 1 second. How many horsepower is this?

Two descriptions about physical quantities are given below: Quantity A: It is a force. Quantity B: It changes when the object travels from Earth to Earth's moon. What quantities are these most likely describing? A.

How does the tilt of Earth's axis affect how the sun's rays strike Earth?