Why does the sun change colors at sunset

What net force is needed to give a 48.0kg grocery cart an acceleration of 3.39m/s^2?

A 3.0-kg block moves up a 40o incline with constant speed under the action of a 26-N force acting up and parallel to the incline.

A car was traveling due east at a constant speed of 60 miles per hour. How far did it travel in 10 min.

A box (FW = 20 N) is placed on a ramp with a 60° incline. Which of these is an expression for the component of the weight parallel to the ramp? A. FW = 20 N * sin60° B. FW = 20 N * cos60° C. FW = 20 N * tan60° D. FW = 20 N

Compare and contrast the life cycle of a low mass star and a high mass star

Whitch tool could be used to mesure the mass of. a package being mailed

Most of an atom is empty space. a. True b. False

Two ice skaters, Skater X and Skater Y, are at rest on a horizontal surface made of ice. The friction between the ice and the skaters is negligible.

Hiker goes distance of 4km east start time 9:00am end time 9:45am. what was hike rs velocity

A hot saucepan is placed on a cold bench. Heat will flow from the saucepan to the bench until ... A. the bench is as hot as the saucepan was. B. the saucepan and bench are at the same temperature. C. the saucepan has lost all of its heat. D.