Tommy does 15 joules of work to push the pencil over 2 meters. How much force did he use?

Which sound characteristic is not affected by the relative motion of an object

Amass weighing 24 pounds, attached to the end of a spring, stretches it 4 inches. initially, the mass is released from rest from a point 8 inches below the equilibrium position. find the equation of motion. (use g = 32 ft/s2 for the acceleration due to gravity.)

According to the image below, which season is about to begin in the southern hemisphere? a. summer b. autumn c. winter d. spring