A 0. 050 kg bullet strikes a 5. 0 kg wooden block with a velocity of 909 m/s and embeds itself in the block which then flies off its stand. What was the final velocity of the bullet?.

Apositive rod is placed to the left of sphere a, and the spheres are separated. which best describes the spheres? sphere a is negative and sphere b is positive because protons from sphere a are attracted to the rod and move to sphere b. sphere a is negative and sphere b is positive because electrons from sphere b are attracted to the rod and move to sphere a. sphere a is positive and sphere b is negative because electrons from the rod move to sphere b and protons then move to sphere a. sphere a is positive and sphere b is negative because protons move from sphere b to the rod and also to sphere a.

A2k pendulum has a speed of 1 m/s at a height of 1/2 meter

How much energy must a refrigerator absorb from 225 g of water so that the temperature of the water will drop from 35°c to 5°c