The diagram below shows four coastline locations on earth with respect to the moon at a given time.

in this current position, which coastline(s) are experiencing a daily low tide?

1) only a
2) only b
3) both a and c
4) both b and d

15. give an example for some particles or waves that are moving faster than light in everyday life 16. what is a laser? 17. what is an oscilloscope? 18. what does it means practically that nothing is faster than light in vacuum? 19. what is vacuum?

Mutt and jeff are running along a path each pushing a cart loaded with rocks. if mutt's wagon has a mass two times greater than jeff's and they want to stay together, arriving at their destination at the same time, what must happen? a) jeff should slow down so mutt can catch up. b) mutt must use half as much force to push his cart. c) mutt must use twice as much force to push his cart. d) mutt and jeff will use the same force, but mutt will take bigger steps.

If jerome is swinging on a rope and transferring energy from gravitational potential energy to kinetic energy, is being done.