In certain martial arts, people practice breaking a piece of wood with the side of their bare hand. Use your understanding of impulse to explain how this can be done without injury to the hand.

What is the main difference between weight and mass? A. Weight is dependent on gravity, and mass is not. B. There is no difference between weight and mass. C. Weight is measured in grams, and mass is measured in pounds. D.

Imagine you poor some hot soup into a bowl. You place your hands on the outside of the bowl and feel that the bowl is very warm. How did that heat get from the soup bowl through your hands? A Osmosis B Radiation C Conduction D Convection

A rocket is launched straight up from the earth's surface at a speed of 1.60*104 m/s. what is its speed when it is very far away from the earth?

Radiation is an example of a transverse wave t or f

Which one of the following is a example of chemical energy?

Sara tells Michael she is 160 centimeters tall, while Michael says

Express 9.39 x 109 seconds in terms of days

What is the energy equivalent of 5.0 kg of mass? be sure to show all work to support your answer?

An ant carries food at a speed of 1 cm/s. How long will it take the ant to carry a cookie crumb from the kitchen table to the ant hill, a distance of 50 m? Express your answer in seconds, minutes and hours.

What must you know in order to determine the gravitational force between two objects?