An undeformed elastic spring has a length of l0 = 15 cm. When it is stretched by some force, its length is l1 = 15.5 cm. What will be the total length of the spring if it is stretched by a force twice as strong?

Asmall 12.00g plastic ball is suspended by a string in a uniform, horizontal electric field with a magnitude of 10^3 n/c. if the ball is in equilibrium when the string makes a 30 ° angle with the vertical, what is the net charge on the ball?

Which describes increasing the efficiency of energy resource

Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n