Question 5 of 10 Psychological perspectives exist:
O A. so that there can be different ways of looking at psychological
questions.
B. to explain the science of behavior.
c. to enforce one particular way of looking at problems.
D. to address the physical properties of the brain.

The extremely high temperatures needed to trigger nuclear fusion are proposed to be generated by laser irradiating a spherical pellet of deuterium and tritium fuel of diameter 1.8 mm. (a) determine the maximum fuel temperature that can be achieved by irradiating the pellet with 200 lasers, each producing a power of 550 w. the pellet has an absorptivity 0.3 and emissivity 0.8.

To travel at constant speed, a car engine provides 24kw of useful power. the driving force on the car is 600n. at what speed does it travel?

Name three different units of energy used to measure heat and describe what type of situations each is usually used.