How many significant figures does this number have? 2.4

A camcorder has a power rating of 17 watts. If the output voltage from its battery is 5 volts, what current does it use?

Estimate how long it would take one person to mow a football field using an ordinary home lawn mower. state your assumptions, such as the mower moves with a 1 km/hr speed, and has a 0.5 m width.

A snail moves 40 cm in 20 seconds. How fast did it move?

Do you think you could identify a mystery substance using only its mass or weight? Explain your answer.

Write a paragraph of no less than five sentences explaining how Newton's First Law of Motion supports people's need to wear seat belts when riding in a moving car. Remember to use proper grammar and mechanics when writing your paragraph.

Calculate the mass of an 86kg object on the moon

Assume you live in a Einsteinian universe with the speed of light being only 60 k / hr. First you see a bicyclist at rest and later you see the same cyclist moving at 55 km/hr. Describe quantities that would change.

52. In an ideal gas the molecules possess a. Only potential b. Only kinetic energy c. Kinetic and potential energy both d. Only gravitational energy

To stretch a certain nonlinear spring by an amount x requires a force F given by F = 40 x - 6 x 2, where F is in Newtons and x is in meters.

A wave passes through an opening in a barrier. The amount of diffraction experienced by the wave depends on the size of the opening and the wave's (1) amplitude (3) velocity (2) wavelength (4) phase