If a stone is thrown vertically upward from the surface of

Last updated: 7/19/2022

If a stone is thrown vertically upward from the surface of the moon with a velocity of 10 m/s, its height (in meters) after t seconds is h(t) = 10t - 0.83² (a) What is the velocity of the stone after 4 seconds? (b) What is the velocity of the stone after it has risen 25 m?