A conical pendulum is formed by attaching a ball of mass m to a string of length L then allowing the ball to move in a horizontal circle of radius r. The string traces out the surface of a cone. A. Find an expression for the tension T in the string.

B. Find an expression for the ball's angular speed w.

I am more interested in how to get the the answer.

Thomas his older brothers, who own a junk yard, on the weekends to earn extra money. he likes to them push broken-down cars to the back of the junk yard because it makes him feel strong. last saturday, they pushed three cars with different weights, and he noticed he used different amounts of force for each one. the cars were the following weights: white car: 2,700 kg red car: 1,500 kg blue car: 2,100 kg think about how much force is needed to move each car. which correctly lists the cars in order from the most to least amount of force needed to move them? a) white, blue, red b) blue, red, white c) red, white, blue d) white, red, blue

Select all the correct answers. which three statements about electromagnetic radiation are true?

Aparticle moves in a circle 1.50 m in radius . through what angle in radians does it rotate if it moves through an arc length of 2.50m? what is the angle in degrees?