Ted swam 25 m east in a lake and then turned and swam 75 m west. His displacement was 50 m west. What distance did he swim?

a. 75m

b. 50 m

c. 25m

d. 100m

What is true about an iceberg and the water surrounding the iceberg? A. They are in thermal equilibrium. B. The water has a lower temperature than the iceberg. C. The iceberg has a lower temperature than the water. D.

You want the current amplitude through a 0.450-mH inductor (part of the circuitry for a radio receiver) to be 1.80 mA when a sinusoidal voltage with amplitude 12.0 V is applied across the inductor. What frequency is required?

What is temperature? O A. The amount of energy needed to increase the heat of a substance by 1 degree O B. A measure of the total kinetic energy of the particles in a substance O c. A measure of how hot or cold something is O D.

200mg of uranium-238 has a half life of 4.5 billion years How much will be left after 13.5 billion years

Explain how temperature changes affect the ice on a lake?

You are standing outside during the daytime. How can you see a blade of grass? A. Light is produced by your eyes and travels out to the grass. B. Light is produced by the grass and travels straight to your eyes. C.

Are cosmic rays and gamma rays invisible or do they have color?

What element has the lowest electronegavity?

Identify two different ways you can make a yellow spotlight for a theater stage

Ian walks 2 km to his best friend's house, then walks 0.5 km to the library. He then makes a 2.5 km walk home. The entire walk took him 3 hours. What is his average speed in km/h? SHOW YOUR WORK!