3) A man holds a tennis ball (mass 58.5*10-3 kg) 2 meters off the ground and drops it. How long does it take the tennis ball to hit the ground

the closer the planet is to the sun, the larger the gravity

because if the tool that you are using is not balanced it there would be false mass.

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.