What is when you look at a white light thorugh a glass prism, you see a rainbow of colors called a what

If an inclined plane is 5 m long and 2 m high, what is its mechanical advantage? a. 2.5 b. 3 c. 7 d. 10

Astudent weighing 700 n climbs at constant speed to the top of an 8 m vertical rope in 10 s. the average power expended by the student to overcome gravity is most nearly

The velocity of sound wave in air at 35°c is 353m/s, calculate the velocity of sound at 46°c