What is speed of the light

A superman cyclist rode a bike uphill at 20 miles/hour for two hours. To sustain this constant speed the cyclist was exerting 50 pounds. (a) How much work has the cyclist done during the trip?

0.013*30A 340 g bird flying along at 6.0 m/s sees a 13 g insect heading straight toward it with a speed of 30 m/s. The bird opens its mouth wide and enjoys a nice lunch. What is the bird's speed immediately after swallowing?

What is Kinetic energy 1

Given gh2 + g2h, the factors of the first term are g, h, and h2, and the factors of the second term are g, g2, and h. Thus, the greatest common factor is g. Dividing through by the greatest common factor, I get h2 + gh.

Add the following displacement vectors: 12 m south and 15 m 55° E of N?

A small metal block (shaded block) is released from rest at the level of the top dashed line. It either falls or slides on a frictionless incline to the level of the bottom dashed line (dotted block).

Which metal ion has the "coolest" flame color? What color is it?

Which of the following statements accurately describes a series circuit?

All of the planets stay near the ecliptic as they move on the Celestial Sphere

What replaces a cold current that sinks to the ocean floor?