At the beach, describe where or when you would see a wavefronts. How are wave fronts useful to surfers?

A 72 kg skydiver is descending on a parachute. His speed is still increasing at 1.2 m/s2. What are the magnitude and direction of the force of the parachute harness on the diver? What are the magnitude and direction of the net force on the diver?

An object has 60 j of potential energy and 40 j of kinetic energy. then 10 j of the potential energy is converted into kinetic energy. how much work was done on the object?

1. Rocky lifted a 300 newton rock 2 meters off the ground and carried it 2 - more meters to his rock garden. How much work did Rocky do on the rock?

Write down the addres of earth in as much detail as possible.

What is the weight of a 48 kg girl on Earth? Rounded to the nearest whole number

The measure of the force of gravity on an object, expressed as mass of the object times acceleration due to gravity is called

Which of the following jobs does not require good swimming ability

An object has an emissivity of 0.725. At temperature T, it radicates heat at a rate of 10 W. What is its rate of heat radiation at temperature 2 T

Which of the following is an instance of persuasive speaking? a. a coach reviewing the offensive plays for next week's game b. a lawyer explaining the details of a plea bargaining agreement to her client. c.

What is needed to support life