In which situation does the reactive force between two colliding objects cause a physical change? two bumper cars at an amusement park colliding, causing both cars to change direction

the exhaust from a rocket thrusting the rocket away from the ground

a swing hitting another swing, causing the second swing to move away a baseball player swinging a bat and hitting

a baseball, causing the bat to shatter

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

um i think it might be a car?

it should have an internal chamber and two thermometers sticking out of the top. the internal chamber will also be closed off from the outside.