You apply a 100N force to a 20kg block. It doesn't move. Why? What is the mass? Draw a free body diagram.

Does being creative in doing science mean that they a scientist should make things up Why?

What do we mean by the interstellar medium?

Three charges are located along x-axis with first + 5C charge at origin, second - 1C charge 2m to the right of orgin and the third + 2C charge 3m to the right of orgin.

If you need to design a technological solution to lack of water availability in a developing country which of the following should you do after you decide on a final design for your solution

When earth's shadow falls on the moon, the shadow causes a

Adrian read about a new antimicrobial in a popular magazine. The advertisement claimed that the product Bactokil prevents bacterial growth. So, Adrian conducted a controlled experiment to test the product claims.

A world-class sprinter can burst out of the blocks to essentially top speed (of about 11.5 m/s) in the first 15.0 m of the race. what is the average acceleration of this sprinter, and how long does it take her to reach that speed?

How are primary and secondary succession similar and how are they different?

What relates the net force exerted on an object to its mass and acceleration?

I'm a wave, the medium moves parallel to the direction that the wave travels