How does the mass of an object change when it acquires a positive charge?

Ignacio and Velvet walk eastward with a speed of 8 m/s. If it takes them 7.5 minutes to walk to the store, how far in meters have they walked?

A toy car with a mass of 2kg starts at rest. A spring performs 196 joules of work on the car. What is the toy cars final velocity

Two objects of equal mass are a fixed distance apart. If the mass of each object could be tripled, the gravitational force between the objects would ...

A basic observation of a star is how bright it appears. This brightness is known as the star's A. luminosity. B. absent magnitude. C. apparent magnitude. D. absolute magnitude.

Discuss the changes in potential energy and kinetic energy and total energy for skateboarder going up and down on a half pipe ramp

What is the momentum of a 15 kg tire rolling down a hill at 3 m/s? 5 kg • m/s 18 kg • m/s 45 kg • m/s 60 kg • m/s

Which of Newton's laws, when combined algebraically with his law of universal gravitation, can be used to calculate Earth's mass? A) first B) second C) third

Why does a balloon filled with helium rise while a balloon filled with an equal volume of average atmospheric air does not? A. Helium has no mass, but air does. B. Helium increases the balloon's mass more than air. C.

Consider the following controls in an automobile in motion : gas pedal, brake, steering wheel. what are the controls in this list that cause an acceleration of the car?

What material are oil pipelines made from?