A 5.0-kg sphere is suspended by a massless wire of length 2.0 m. The sphere is set into a swinging motion by being pulled to the side and released. At the bottom of its swing, the sphere is moving at 3.0 m/s. What is the tension in the wire when the sphere is at this lowest position?

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

This is the substance(s) formed in a chemical reaction.

A20 cm long spring is attached to a wall. the spring stretches to a length of 22 cm when you pull on it with a force of 100 n. what is the spring constant