What would happen if both the radius and mass of a planet were cut in half

A sprinter with a mass of 80 kg accelerates from 0 m/s to 9 m/s in 3 s. What is the runner's acceleration?

a wave produced by a doorbell

In a lab, a 5 L sample of gas with a pressure of 6 atm was transferred to a one liter flask. Temperature was held constant. What was the pressure of the gas in the one liter flask? c. 15 octo A5 on ottont b o ta

You use a lever to lift a heavy tree branch You apply a force of 100 N and the lever lifts the branch with a force of 350 N What is the mechanical advantage of the lever?

7. The slope of a line on a distance-time graph represents A distance B time C displacement D speed

Which describes the relationship between friction and IMA for a simple machine?

What measurement can be used to determine the stability of the atmosphere?

What is the kinetic energy of a 1kg ball that moves at 5m/s

A physics professor demonstrates the Doppler effect by tying a 600 Hz sound generator to a 1.0-m-long rope and whirling it around her head in a horizontal circle at 100 rpm.

What is it called when light shining on certain substances causes an electric current to flow? the polarized light phenomena infrared radiation the photoelectric effect the Einstein conclusion