If a rock has a mass of 0.15 kg on the moon what will its mass be on earth

Orange juice has a lower or higher viscosity than chocolate syrup

Abatter hits a 0.140-kg baseball that was approaching him at 30 m/s and, as a result, the ball leaves the bat at 40 m/s in the reverse of its original direction. the ball remains in contact with the bat for 2.0 ms. what is the magnitude of the average force exerted by the bat on the ball?

How are positive ions different from neutral atoms