Stu wanted to calculate the resistance of a light bulb
connected to a 4.0-V battery, with a resulting current of
0.5 A. He used the formula R = VI and obtained an
answer of 2 . Was Stu's answer correct? How do you
know?

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.

Which of the following statements accurately describes the sign of the work done on the box by the force of the push? a. positive b. negative c. zero