Which of the following statements about nuclear power is true? a. nuclear power plants are cheap to build, but expensive to operate. b. nuclear power plants are more expensive to operate than fossil fuel power plants. c. nuclear power plants can cause thermal pollution in nearby lakes. d. nuclear power plants emit carbon dioxide, sulfur dioxide, and nitrogen oxides which pollute the air.

Which are true about beta reactions? there will be more than one answer. a. it has no change b. it doesn't change the mass of the number c. it has a mass of 0.0005 atoms d. it causes transmutation.

Distinguish between linear momentum and angular momentum

Consider two less-than-desirable options. in the first you are driving 30 mph and crash head-on into an identical car also going 30 mph. in the second option you are driving 30 mph and crash head-on into a stationary brick wall. in neither case does your car bounce off the thing it hits, and the collision time is the same in both cases. which of these two situations would result in the greatest impact force?