To calculate the area of the front surface of a box, you (a) add the length to the height (b) add twice the length to twice the height ( c) multiply the length by the height (d) multiply the length by the height then divide by two

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?

Question part points submissions used suppose that 2 j of work is needed to stretch a spring from its natural length of 26 cm to a length of 36 cm. (a) how much work is needed to stretch the spring from 28 cm to 32 cm? (round your answer to two decimal places.)

What distance does a car travel as its speed changes from 0 to 20 m/s in 17 s at constant acceleration?