Must two quantities have the same dimensions if you are subtracting them?

One of the greatest terrorism-related nuclear threats is from Select one: a. nuclear power plants. b. dirty bombs. c. nuclear warheads. d. None of these are correct.

Which best describes a force? a vector with magnitude and direction a vector with speed and strength a vector with direction only a vector with strength only

Unlike a transverse wave, the disturbance in a longitudinal wave is A) in the opposite direction of the wave motion. B) in a circular motion. C) perpendicular to the wave motion D) parallel to the wave motion.

Using the scientific definition of work, does a greater amount of force always result in a greater amount of work? why or why not?

When a glass rod is rubbed with silk and becomes positively charged, a. electrons are removed from the rod. c. protons are added to the silk. b. protons are removed from the silk. d. the silk remains neutral.?

What's the net force acting on an 18-kg object if an acceleration of 3.0 m/s2 is produced?

What type of force slows you down as you slide across the floor? A. Strong nuclear force B. Friction C. Magnetic force D. Gravity

Scenario A: A ramp is used to lift a refrigerator a height of 12 m with a force of 110 N. The ramp is at an angle of 50° to the ground. Scenario B: A ramp is used to lift a refrigerator a height of 13 m with a force of 120 N.

The sun is 30 degrees above the horizon. it makes a 51 m long shadow of a tall tree. part a how high is the tree?

What can destroy stuff yet does not have any mass