1.31 parsec is equal to about 25 x 10?
12
10
25

When a spring is compressed, the energy changes from kinetic to potential. which best describes what is causing this change? work power gravitational energy chemical energy

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c