A pendulum on a grandfather clock is supposed to oscillate once every 2.99 s, but actually oscillates once every 1. 99 s. How much must you increase its length to correct its period to 2.00 s

How much work is done lifting a 9.10 kg box straight up onto a shelf that is 1.80 m high?

Point charges q1 = 51 µc and q2 = −27 µc are placed 1.0 m apart, with q2 on the right. what is the force (in n) on a third charge q3 = 19 µc placed midway between q1 and q2? (assume the positive direction is to the right. indicate the direction with the sign of your answer.)

Slab pull” is a type of tectonic plate movement that occurs due to the forces of mantle convection and results in the subduction of the lithosphere true or false