Supposed an object is weighted with a spring balance, first in air then while totally immersed in water. The readings on the balance are 0.48N and 0.36N respectively. a) what is the upthrust on the object?
b) what is the mass of the fluid displaced?
c) what is the volume of the fluid displaced?
d) what is the density of the object?

The two required components for a generator are

In a heat engine if 1000 j of heat enters the system the piston does 500 j of work, what is the final internal energy of the system if the initial energy was 2000 j? 1. write the equation 2.list out your known variables 3.plug the numbers into the equations 4.solve 5.write your solution statement that includes initial energy and final

Ihave a density of 1.61g/cm^3 and a mass of 28g. find the missing value