You pull a rope with a force F agajnst your friend in tug of war in which he pulls also with a force of magnitude F. what is the tension on the rope? A) equal to F

B) Half of F

C) twice the magnitude of F

D) 1.5 times the magnitude of F

E) none of the above

Modern physics a photon emitted from an excited hydrogen atom has an energy of 3.02 electron volts. which electron energy-level transition would produce this photon? a. n=1 to n=6 b. n=2 to n=6 c. n=6 to n=1 d. n=6 to n=2 i chose b but the correct answer is d can someone tell me why? and what's the difference?

The solid that is formed and usually sinks to the bottom of a solution is the

An astronaut on the moon throws a baseball upward. the astronaut is 6 ft, 6 in. tall, and the initial velocity of the ball is 3030 ft per sec. the height s of the ball in feet is given by the equation s equals negative 2.7 t squared plus 30 t plus 6.5s=−2.7t2+30t+6.5, where t is the number of seconds after the ball was thrown. complete parts a and b.