On a distance-time graph, a line that changes direction is used to show:

A. constant speed. B. changing speed. C. changing direction.

Why do people use Earth's motions to determine units of time?

Explain why you will not become sick if you eat sodium chloride, even though chlorine is poisonous

I usually walk at a speed of 0.75 miles per 30 minutes. How long will it take me to walk from my house to the supermarket 1.5 miles away?

Why are the coldest places on earth found near the poles

Sedimentary rocks are formed due to the a. cooling of magma b. weathering of rocks c. changes in pressure d. changes in temperature

Different constellations are visible at different times of the year because of A) the relative motion between earth and the sun B) the relative motion between earth and the moon C) the celestial equator D) the celestial sphere

Why does alternating current change direction 50 to 60 times per second?

Tony uses the device shown in the diagram to model how an electromagnet is used in his uncle's scrap metal yard.

A flight attendant pulls a 60.0 N flight bag a distance of 239.0 m along a level airport floor at a constant speed. A 21.0 N force is exerted on the bag at an angle of 66.0 degrees above the horizontal. How much work is done on the flight bag?

A girl throws a rock horizontally, with a velocity of 10 m/s, from a bridge. It falls 20 m to the water below. How far does the rock travel horizontally before striking the water?