What is the smallest part of a compound called? element atom mixture molecule

A fireman is sliding down a fire pole. As he speeds up, he tightens his grip on the pole, thus increasing the vertical frictional force that the pole exerts on the fireman.

A force of 80 N is exerted on an object on a frictionless surface for a distance of 4 meters. If the object has a mass of 10 kg, calculate its velocity. v =

50 J of work was performed in 20 seconds. How much power was used to do this task? A. 4 W B. 24.5 W C. 0.4 W D. 2.5 W

A 0.030-m3 container is initially evacuated. Then, 4.0 g of water is placed in the container, and, after some time, all the water evaporates. If the temperature of the water vapor is 388 K, what is its pressure?

A given individual is unable to see objects clearly when he is beyond 80 cm. What power lens should be used to correct this problem? A) - 1.25 Diopters B) - 3.68 D C) - 11.650485 D D) - 0.2 D E) - 15.686275 D

If the height of a playground slide is kept constant, will the length of the slide or whether it has bumps make any difference in the final speed of children playing on it a. True. b. False.

A doppler effect occurs when a source of sound moves. True or False

What is a temporary magnet

A mouse is placed in a sealed chamber with air at 755.0 torr. This chamber is equipped with enough solid KOH to absorb any CO2 and H2O produced by the mouse. The gas volume in this chamber is measured to be exactly 2.

Describe two ways that Floridians can be negatively affected by a natural disaster