If an object does not move, there is no work done? True or false?

Which waves can travel through a vacuum? A) light waves Eliminate B) ocean waves C) sound waves D) mechanical waves

Research indicates that high serotonin levels may increase aggression. True Or False

What did both Newton and Einstein believe directly affects gravity? mass of objects distance between objects curvature of objects acceleration of objects

You're approaching a flashing red light at an intersection. Cars on the cross street don't have a light. What should you do

Protons are made up of ___ up quark (s) and ___ down quark (s). a. 1, 1 b. 1, 2 c. 2, 1 d. 2, 2

Creates clouds, snow, sleet, rain and hail

Which type of radiation consists of a fast stream of negatively charged particles? a. alpha particles b. beta particles c. gamma rays d. positron particles

Range of motion is the distance an object can travel when separated from another object. T/F

If 500 thousand btus of energy are available to raise the temperature of a water boiler from 20°f to 100°f, how many gallons of water can be added to the boiler?

A woman pushes a 27 kg lawnmower at a steady speed. She exerts a 180 N force in a direction 31 degrees below the horizontal. The acceleration of gravity is 9.8 m/^2 Find the magnitude of the vertical force this lawnmower exerts on the lawn.