How much force would be needed to break a 2.0-m-long, 2.0 × 2.0 mm square wire of this material?

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

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon

The protons in a nucleus are approximately 2 ✕ 10^−15 m apart. consider the case where the protons are a distance d = 1.93 ✕ 10^−15 m apart. calculate the magnitude of the electric force (in n) between two protons at this distance.