What is the most appropriate SI unit to express the speed of a cyclist in a 10-km race?

A. km/s

B. km/h

C. cm/h

D. mm/s

Use the work-energy theorem to solve each of these problems. You can use Newton's laws to check your answers. (a) A skier moving at 5.00 m/s encounters a long, rough horizontal patch of snow having a coefficient of kinetic friction of 0.

Describe the properties of a wave. Include how longitudinal and transverse waves are alike and how they are different. Provide an example for each.

1. 1500j of work was done to move a box 20m. What force was applied to the box? 2. How much gravitational potential energy does a 165kg roller coaster car have when it is at the top of a hill 42 meters above the ground?

7. A type of non-renewable energy would be: O wind O petroleum O water solar

What is the definition of matter

Does air resistence decrease with speed

In one area, the lowest angle of elevation of the sun in winter is 23 ° 18 '. Find the minimum distance, x, that a plant needing full sun can be placed from a fence 4.63 ft high.

A wave has a wavelength of 50 m and a speed of 200 m/s. What is the frequency of this wave in hertz?

A 75.0 kg person stands on a scale in an elevator. (a) What does the scale read (in N and in kg) when the elevator is at rest?

Which of the following best describes the earth's average surface temperature for the past 900,000 years? A. a steady warming trend B. fairly steady temperatures until recently C. prolonged periods of cooling and warming D.