PLEASE HELP OUTT 20 POINTSSS A 400g mass is resting on an index card.

Show your work in determining the weight and the normal force acting on the object.

Draw force vectors for those same two forces, weight and normal force (remote/concurrent students may edit the drawing to include the vectors).

If the sled were pushed with increasing force until it started moving. The force recorded at the instant the sled began to move is 4.38N. What is the acceleration at that very instant?

You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d

You can estimate the degree to which a bond between two atoms is ionic or covalent by calculating the

What types of radiation make up the electromagnetic spectrum?