Please help, de tonight, please show work, not sure what I'm doing wrong 4. A student does 6 J of work compressing a spring by 0.04 m. What is the spring constant of the spring?
(A) 150 N/m (B) 300 N/m (C) 3333 N/m (D) 7500 N/m

Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.

Two point charges are on the y axis. a 3.90-µc charge is located at y = 1.25 cm, and a -2.4-µc charge is located at y = −1.80 cm. (a) find the total electric potential at the origin. v (b) find the total electric potential at the point whose coordinates are (1.50 cm, 0). v

What part of the ear is names after tools, such as the hammer and the anvil?