Answer:
C. reflection
Explanation:
reflection occurs when a wave strikes an object and bounces off of it
-44c (55F). If I’m wrong please tell me and I’ll help again
It’s c the same thing that is the same
A. I believe this might be the answer but
6 J/60 J= .1
.1 x 100= 10%
b. I'm not sure of this question
19. I'm not sure if I did this correct way or if there is a better way (I'm rusty)
300 J/.50 %= 600
600/100= 6 (answer)
20. (200 J)(.75%) = 150 (answer)
Check:
Efficiency: output/input x 100
150 J/200 J= .75
.75 x 100= 75%
B.earth rotates on its axis in 24 hours; i.e., it rotates 15° of longitude per hour.
