The diagram below shows the velocity vectors for two cars that are moving relative to each other

If you touch a hot light bulb and get burned, that is an example of a. radiation b. convection c. conduction

An object weigh 40n in air ,weigh 20n when submerged in water, and 30n when submerged in a liquid of unknown liquid density. what is the density of unknown of liquid?

Suppose you increase your walking speed from 7 m/s to 13 m/s in a period of 2 s. what is your acceleration?