Aboat accelerates at a rate of 6.0m/s down a river. how much time will it take the boat to speed up to 7.0m/s?

Ascientist is tracking an object orbiting the sun that is found between mars and jupiter. in order to classify the object as an asteroid, it must be at least

Acar travels along a highway with a velocity of 24 m/s, west. the car exits the highway; and 4.0 s later, its instantaneous velocity is 16 m/s, 45° north of west. what is the magnitude of the average acceleration of the car during the four-second interval?

How would doubling the made of an object change the objects potential energy