Ferris Wheeler is attempting to spin a 2-kg ball at the end of a 0.80-meter string in a vertical circle. The ball will successfully complete the loop without the string going slack as long as the speed of the ball is always

Ineed the answer to question 1 , i’m desperate

Apulley system is used to lift a 2,000 newton engine up a distance of 3 meters. the operator must apply a force of 250 newtons to the chain of the pulley system to lift the motor. to lift the engine 3 meters, the operator must pull a total of 30 meters of chain through the pulley system. what is the value of di?

The items in the following list are all units of matter. which is the smallest unit that retains the properties of the matter? a.) atom b.) compound c.) electron d.) element