How do galaxies change over time?

5. A beach ball of mass 500grams falls from a height of 4m and hits the ground with a speed of 5m/sec. a). What is the work done on the ball by air resistance? b). What is the average force of the air resistance?

Find the work done in moving an object along a vector r = 3i + 2j - 5k if applied force is F = 2i - j - k

What is the mass of an object that has a 250 N force moving at an acceleration of 10 m/s2?

You swing one yo-yo around your head in a horizontal circle. then you swing another yo-yo with twice the mass of the first one, but you don't change the length of the string or the period. how do the tensions in the strings differ?

Galilee said that if you rolled a ball along a level surface it would be

How is work related to force and displacement?

Calculate the buoyant force (in N) on a 1.0 m^3 chunk of brass submerged in a bath of mercury.

What is the current produced by the solar cells of a pocket calculator through which 4.00 C of charge passes in 4.00 hr? Give your answer in mA.

Water is most dense at 4 degrees Celsius. Since at this temperature 1 ml of water has a mass of 1 g. What is its density?

Leviticus 17:11: For the life of the flesh is in the blood: and I have given it to you upon the altar to make an atonement for your souls: for it is the blood that maketh an atonement for the soul.