Whats a observation?

In what two instances does power output become greater

Consider a thin film surrounded with two other transparent materials. Index of refraction of the top material is 1.2; index of refraction of a film 1.3 and of the bottom material 1.

When there is a large difference in two resistor's sizes, what useful approximations can be used when considering their series and parallel combinations? (This is a handy thing to know in circuit design!)

7. Peter found an amazing fact in an amusement park when he tried to ride the Magic Mountain Superman. Powerful magnets accelerate a car and its riders from zero to 45 m/s in 7 seconds. Suppose the mass of the car and riders is 5,600 kg.

A moving object must have which type of energy

The scientific method is

Estimate the order of magnitude of the length of a football field, a. 10-1 m C. 104 m b. 102 m d. 100 m

What happens when light from the Sun passes through any type of matter?

A balanced chemical reaction obeys the law of

5. If you push a chair across the floor at a constant velocity, how does the force of friction compare with the force you exert? Explain.