Acar traveling at 28 m/s slows down at a constant rate for 4 seconds until it stops. what is its acceleration?

What is the average speed of a car that travels 40mph for 1 hour and 60 mph in another hour will mark brainliest

Which of the following correctly describes what happens when an atomic bomb explodes? small pieces of fissionable material are joined and form a body with a mass greater than the critical mass, the relative number of neutrons escaping decreases, and a chain reaction and explosion result. large pieces of fissionable matter are brought together quickly and form a body with a mass smaller than the critical mass, the relative number of escaping neutrons increases, and a chain reaction and explosion result.

Where do magnetic lines of force enter earth?