A sound effect balloon is​

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

Asap i'm in class rn a 1,000-kg car is traveling 20 m/s on a flat stretch of road. it gets to a hill and coasts uphill until it stops. how high up the hill does the car travel? givens: equation: 1/2mv2initial=mghfinal solve for h. plug & chug, label.

Explain what happens at the saturation point when adding salt to water at room temperature.