There are four springs stretched by the same mass.
spring a stretches 25 cm.
spring b stretches 10 cm.
spring c stretches 100 cm.
spring d stretches 1 cm.
which spring has the smallest spring constant?
a.
b.
c.
d.

Which of the following is not am example of a polymer? protein nylon kevlar concreta

All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction

When is a current produced? when the terminals of an electrochemical cell are connected by a wire if the electric circuit is opened in an electrochemical cell if the electrolyte is removed from an electrochemical cell when the electrodes are reversed in an electrochemical cell