A spring is stretched 2.0 cm. If the same spring is stretched 8.0 cm the ratio of the second and first potential energies of the spring is

16

9

4

1

Which of the following is malleable

How does gravitational force and electric force compare?

a. What is the peak wavelength for AM0? What temperature T corresponds to this peak wavelength for a blackbody source?

Explain why it is important to check your brake fluid regularly. explain what happens to the fluid when you step on the brake of a car and how that fluid then acts to make the car slow down.

Which of the following statements are true? 1. Liquid water expands with increasing temperature above 4°C. 2. Liquid water expands with increasing temperature between 0°C and 4°C. 3. Water contracts as it freezes at 0°C. 4.

A steel railroad track has a length of 40 m when the temperature is - 5 ◦C. What is the increase in the length of the rail on a hot day when the temperature is 35 ◦C? The linear expansion coefficient of steel is 11 * 10-6 (◦C) - 1.

The seasons of the Year result from Earth's movement or ___ around the Sun

Work is defined as the use of force to move an object in the direction of that force and is equal to the force times the distance the object moved. How do energy and power relate to work?

2. In regards to the the zonal anatomy of the prostate gland, where do most carcinomas originate?

Two parallel plates are separated by 0.1 mm. A 10 V potential difference is maintained between those plates. If a proton is released from the positive plate, calculate the kinetic energy of the proton when it reaches the negative plate.