What wave-like property of light causes it to bend when encountering an opening?

A. Reflection B. all the above c. Refraction d. none of the above e. diffraction

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Which material is the best choice for the head of a hammer? a thermoset a thermoplastic a metal wood

A body oscillates with simple harmonic motion according to the following equation. x = (2.5 m) cos[ (6π rad/s) t + π/4 rad] (a) At t = 7.0 s, find the displacement. 1.77 Correct: Your answer is correct. m (b) At t = 7.0 s, find the velocity. - 33.

After school, several students skateboard at the nearby park. Your best friend, Erwin, is a good skateboarder and happens to fall when attempting a fancy trick. After falling, Erwin gets back up and starts repeating the trick over and over again.

Which of the following is true regarding units of geologic time? A. Eras are divided into periods; periods are divided into epochs. B. Epochs are divided into periods; periods are divided into eras. C.

7. Who is Mara Grunbaum?

How much work is done in holding a 10 newton sack of potatoes while waiting in line at the grocery store for 3 minutes.

Define light year and explain how and why light years are used to measure distances in the universe

A farmer had 15 sheep, and all but 8 died. How many are left?

While playing with her 5 year old cousin, a Physics 135 student pushed him forward on his scooter. She pushes with a force of 50 Newtons for 3.5 seconds. If the boy and the scooter together have a mass of 30 kg, what is their final velocity? a. 2.