The answer is B, or endoplasmic reticulum.
Explanation:
period of pendulum = time taken for 1 oscillation = time taken for 1 complete back and forth vibration
q1 ans is given in question its 1.5 sec
q2 ans is 1.5 sec longer than 1 sec period
No, personal trainers and doctors have very different careers. Though they both do well for the body and health.
kinetic energy to gravitational potential energy
