A top spins and slows down at an angular acceleration of -1.5 radians/sec/sec until it topples. If the top will topple at an angular speed of 150 radians per second or less, and the top topple after spinning for 45 seconds, what was the initial angular velocity of the top

Adding more pulleys to a system of pulleys needed to lift an object. a. increases the force b. decreases the force c. increases the amount of work d. decreases the amount of work

According to newton’s first law of motion, which force is expected to cause a body to accelerate?

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?