If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase?

What is the origin of the English Language

A 0.060 kg ball hits the ground with a speed of - 32 m/s. The ball is in contact with the ground for 45 milliseconds and the ground exerts a + 55 N force on the ball. What is the magnitude of the velocity after it hits the ground?

The sun delivers thermal energy to earth through radiation. which of the following is a consequence of this energy transfer life is possible on earth life is made of carbon compounds earth is a closed system energy on earth is neither created nor

A hotel elevator ascends 200m with maximum speed of 5m/s. its acceleration and deceleration both have a magnitude of 1.0m/s2. part a how far does the elevator move while accelerating to full speed from rest?

Explain why the earths core is vital to us living on this planet? answer fast

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