Which of these is an example of a mechanical wave? A. the light of the Sun B. a car stuck in traffic C. the shaking from an earthquake D. X-rays from an X-ray machine at the dentist's office

How does an atom of bromine-79 become a bromide ion with a - 1 charge?

Two students standing apart in a classroom have a gravitational force of attraction between them of 3.20 x 10-8 N. If one student has a mass of 50.0 kg and the other has a mass of 60.0 kg, what is the distance between the students?

A object is thrown straight upwards with a speed of 19.6 m/sec. Three seconds later, its speed is: Select one: a. zero. b. 9.8 m/sec downward. c. 49 m/sec upward. d. 29.4 m/sec downward.

Is eureka wire better conductor than copper?

A baseball is thrown upward from a height of 2 meters with an intial velocity of 10 meters per second. determine its maximum height, using a (t) = - 9.8 meters per second as acceleration due to gravity.

Why are glass fibers stronger than bulk glass?

1. A 2000kg truck at rest accelerates to 45m/s in 7 seconds. What is its change in kinetic energy?

The speed with which force is developed by skeletal muscles is determined by the

What aviation first is paul maccready credited with

Why is the use of an international system of measurement important for science?