How far away is a cliff if an echo is heard 0.486 s after the original sound? Assume that sound traveled at 343 m/s on that day.

Suppose you increase your walking speed from 6 m/s to 11 m/s in a period of 2 s. What is your acceleration?

An object of mass m is moving down an inclined plane that makes an angle they a with the horizontal and has height h. Which of the following statements is correct regarding its energy? A.) It is kinetic only. B.) It is kinetic and potential. C.

What are constellations? 1. Apparent groupings of stars and planets visible on a given evening 2. Groups of galaxies gravitationally bound and close together in the sky 3.

How high can a 21 watt motor lift a 10kg package in 6 seconds?

What is the magnitude of B? speed=2.64*10^7 radius. 160m R=mv/|q|B,

A set of data is collected from a simple circuit with a 20 resistor and is represented in the table

A skydiver of mass m jumps from a hot air balloon and falls a distance d before reaching a terminal velocity of magnitude v. Assume that the magnitude of the acceleration due to gravity is g. a.

8. What happens to force when mass is increased?

Give an example of ionic and covalent bond, and explain and make an example for each.

Which of these is the best reason for proper nutrition? A. To ensure that you will be skinny B. To protect yourself against certain diseases C. To improve your intelligence D. To ensure that you will get good grades