On a weekend trip to the beach, your friends put you in charge of pulling the cooler out to your picnic area. you estimate the cooler has a mass of about 15 kg, and the distance from the car to the picnic area is a level 50 m. you hold the handle at 25° above the horizontal, exerting a force of 25-n on the cooler from the handle. how much work does the handle do on the cooler while moving from the car to the picnic area?

Imagine that someone pushes one marble toward a motionless marble. would there still be action-reaction forces involved in the collision? how might the marbles’ motions be changed? ?

What is a subatomic particle with a negative charge and very little mass?

This chart shows characteristics of three different types of waves. which statement is best supported by the information in the chart? wave x and wave y are mechanical waves, and wave z is an electromagnetic wave. wave x and wave y are electromagnetic waves, and wave z is a mechanical wave. wave x and wave z are electromagnetic waves, and wave y is a mechanical wave. wave x and wave z are mechanical waves, and wave y is an electromagnetic wave.