1. a spring has an extenson of 4 cm when a weight of 0.5 N hangs from it. calculate the extension when a weight of 0.75 N hangs from it?

Explain how latitude determines wind patterns

A water bed weighs 1025 N, and is 1.5 m wide by 2.5 m long. How much pressure does the water bed exert if the entire lower surface of the bed makes contact with the floor? a. 3.6 x 102 Pa c. 1.2 x 103 Pa b. 2.7 x 104 Pa d. 2.7 x 102 Pa

A dense metal sphere is dropped from a 10-meter tower, and at the exact same time an identical metal sphere is thrown horizontally from the same height. If air friction is ignored, which statement below is true? A. Both spheres land at the same time.

An object is dropped from rest. What is the acceleration after 3 s? The acceleration of gravity is 9.8 m/s.

What is the overall charge of the wall?

What could u test to determine the stage of a stars cycle

You pull with a force of 255 N on a piece of luggage of mass 68 kg, but it does not move. If the coefficient of friction between the luggage and the floor is 0.7, what is the force of static friction acting on the luggage?

R was thirsty and decided to mix up a pitcher of lemonade. She put lemon juice, water, and sugar into a pitcher and stirred it to create this wonderful new drink. How could Taylor decide if she just created a mixture or a compound?

Make a prediction on how two A-tapes interact. Will they attract, repel or exert no force on each other?

8. A train rolls at a constant speed of 10 m/s across a horizontal track. A child standing on the flatbed of the train throws a ball so that it appears to move straight up to an observer standing next to the track. a.