If an astronaut were to exert a force on a ball, the ball would

When an object is heated it contracts. a. true b. false

Aball has an initial velocity of 3 m/s. if there is no friction, what is the highest it could roll?

In which situation is the acceleration of a car negative? question 5 options: a)the velocity of a car was 75 km/hr over 4 hours. b)the velocity of a car reduced from 50 km/hr over one minute. c)the velocity of a car increased from 40 km.h to 75 km/h over 15 minutes. d)the velocity of a car was 45 km/hr at 2: 00pm and at 4: 00pm its velocity was 85 km/ht.