Power=170 watts time=20 seconds

What is the magnitude of 20 kg and 0.5m/s

1. A car's speedometer reads 40 m/s after accelerating from a standing start, for 25s. What was the magnitude of its acceleration

Why are objects that fall near Earth's surface rarely in free fall? O Gravity does not act on objects near Earth's surface. Air exerts forces on falling objects near Earth's surface.

A student hangs a balloon from a string then rubs it on their hair and releases it. They rub a second balloon on their hair then move it towards the hanging balloon the moving balloon moves away because ...

A 2.40 kg can of coffee moving at 1.50 m/s in the + x-direction on a kitchen counter collides head-on with a 1.20 kg box of macaroni that is initially at rest. After the collision the can of coffee is moving at 0.825 m/s in the + x-direction.

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