Democritus thought that matter was made of tiny particles

A. of earth, air, fire, and water.

B. that could not be divided.

C. that could be divided.

D. that were all round and smooth.

a film of transparent material 120 nm thick and having refractive index 1.25 is placed on a glass sheet having refractive index 1.50. (A) Determine the longest wavelength of light that interferes destructively when reflected from the film.

Power can be expressed 1. in joules per watt, or in newtons per second 2. in joules per second, or in watts 3. in joules, or in newton-meters

The wave property that is related to the height of a wave is the

Which of the following statements is not one of Newton's laws of motion? a. The rate of change of momentum of an object is equal to the net force applied to the object. b.

5. The group number of the carbon family is: a. 1 b. 2 C. 3 d. 4

A skydiver with a mass of 60 kg jumps from an airplane. Five seconds after jumping the force of air resistance is 300 N. What is the acceleration of the sky diver, five seconds after jumping?

How many basic wave forms are there? A.) 1 B.) 2 C.) 3 D.) 4

How much power is reqired to lift a 10-n box 2 meters

Dolphins and other sea creatures can leap to great heights by swimming straight up and exiting the water at a high speed. A 200 kg dolphin leaps straight up to a height of 7.8 m.

An example of renewable energy resource is ... A - uranium B - Wind C - natural gas