a stone is thrown horizontally at 8.0 m/s from a cliff 78.4m high. How far from the base of the cliff does the stone strike the ground?

The velocity of car is 80.0 miles per hour. what is the velocity of car in meters per second? (1 km -0.621 miles) m/s

The seven sisters, seven stars located more than 400 light-years away in the taurus constellation can be seen here with venus and another constellation, orion. the seven stars stay grouped together but seem to move, like the planet venus. why do stars seem to move like planets in the night sky?

What is the measurement of how fast an object moves relative to a reference point?