World class speed skaters can skate a 3,000-m course in about 4 minutes.

What is their average speed for this course?

A. 12.5 m/s

B. 1.33 m/s

C. 1.25 m/s

D. 13.3 m/s

If you are traveling in a primary channel and you encounter a red and green marker (with the green band on top) when proceeding in an upstream direction, what must you do

Which sequence shows all the colors of visible light arranged from shortest to longest wavelength?

Which phase of the moon will occur after "waning gibbous"? A. full moon B. last quarter C. waning crescent D. new moon E. waxing crescent F. first quarter G. waxing gibbous

How will you define motion?

As the amount of charge on two objects increases, the strength of the electrical force between the objects

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?