Recent content by yankee

an athlete swings a 6.18kg ball horizontally on the end of a rope. The ball moves in a circle of radius 1.03m at an angular speed of 0.736 rev/s. what is the tangential speed of the ball? Answer in units of m/s WHAT is angular speed? and how would you solve t his? thanx so much

**tough question An alaskan rescue plane traveling 40 m/s drops a package of emergency rations from a height of 171 m to a stranded party of explorers. The acceleration of gravity is 9.8m/s^2 Where does the package strike the ground relative to the pt driectly below where it was released...

A ball player hits a home run and the baseball just clears a wall8.00m high located 142.0m from a home plate. The ball is hit at an angle of 40degrees to the horizontal and air resistance is negligible. Assume the ball is hit at a height of 1.1m above the ground. The acceleration of gravity is...

An autographed baseball rolls off a 1.2m high desk & strikes the floor 0.37m away from the desk. The acceleration of gravity is 9.81m/s^2. How fast was it rolling on the desk before it fell off?

A plane drops a hamper of medical supplies from a height of 3680m during a practice run over the ocean. The plane's horizontal velocity was 136 m/s at the instant the hamper was dropped. The acceleration of gravity is 9.8m/s^2. What is the magnitude of the overall velocity of the hamper at the...

A golf ball is released from rest from teh top of a very tall building. Choose a coordinate system whose origin is at the starting point of the ball, and whose y-axis points vertically upward. The acceleration of gravity is 9.8 m/s^2. Neglecting air resistance , calculate the velocity of the...

I tried the problem again, this is what I did Car: Vo=14m/s a= 5 mi/s^2 x=37m Train: Vo=33 m/s a= 0 m/s x=37m Vf^2=Vo^2 +2ax Vf^2= (14 m/s)^2 + 2((5m/s^2)(37)) Vf^2= 196m^2/s^2 +740 m^2/s^2 square root of Vf^2= square root (936 m^2/s^2) Vf= 30.5941 m/s Then I took this number added it to 47...

A train is moving parallel and adjaceent to a highway with a constant speed of 33 m/s, initially a car is 37 m behind the train, traveling in the same direction as the train at 47 m/s and accelerating at 5 m/s^2. What is the speed of the car just as it passes the train? Answer in units of m/s...