What shape does the moon appear to be when it is closer to the sun

What is the difference speed & velocity?

Using the knowledge you gained from your lessons and from this practical exercise, this engine appears to be a a. four-cylinder, in-line, overhead-valve engine. b. four-cylinder, in-line, overhead-cam engine. c.

A drag racer leaves the starting line and increases its speed up to 200 miles per hour by the time it crosses the finish line. What must have changed? A. only its speed B. only its velocity C. both its speed and its velocity D.

Intuition might tell us that rough surfaces on clothing would inhibit the speed of an Olympic athlete. Why is this line of thinking not true in some cases? How can controlled roughness actually promote speed?

Wyatt is moving a box with a mass of 37 kg a distance of 37 meters. Wyatt did 360 J of work in 2 minutes when moving the box. What was his power output? A) 9.72 W B) 3 W C) 180 W D) 323 W

What causes the acceleration to increase or decrease?

When You lift a load, the resistance force is? A. magnetism b. gravity

What changes a ball velocity

A rock with mass m = 3.60 kg falls from rest in a viscous medium. The rock is acted on by a net constant downward force of F = 15.

Two electrons are 2.3nm apart. What is the force between two electrons?