When a star is moving away from us, the observed frequencies of light are lower than the actual frequencies. this illustration of the doppler effect is called?

Which characteristic of visible light is responsible for its color?

What term is used for electricity at rest?

A roller coaster at an amusement park has a dip that bottoms out in a vertical circle of radius r. A passenger feels the seat of the car pushing upward on her with a force equal to five times her weight as she goes through the dip. If r = 17.

1. Which one is a visual editor to design a webpage. 1. Notepad - Go live ... Home site - Internet " a. Notepad b. Wordpad. c. Ms Excel d. font page. Ans

If Anisa swims 85.4 yards in five minutes, how many meters will she swim in 70.0 seconds? (use the metric system for this question)

Is momentum conserved in the collision?

Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin?

In a laboratory, you determine that the density of a certain solid is 5.23*10-6kg/mm3. Convert this density into kilograms per cubic meters.

List the solar objects in correct order from the Sun. Venus Earth Mercury Saturn Neptune Mars Jupiter Asteroid Belt The Sun Uranus

The power exerted by a muscle is the product of the force exerted and the velocity of contraction. The area of which of these shaded regions represents the power exerted while a weight is lifted at maximum speed?