Ahollow sphere made of brass has a weight of 3 n and dips into water (density ph20 997 ) with half of its volume. a) what is the diameter d of the sphere and the thickness x of the brass wall, if brass b) what is the work w needed to pull the sphere out of the water? hint: neglect the surface tension. take the formula for the cap of a sphere from a book or another good source.

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

Apiece of metal 75g at 110°c is dropped in a container with 500g at 20°c. the h2o if temperature is 24°c find specific heat capacity of metal

Identify the type of heat transfer occurring when chocolate melts in your hand