Answer:
x = 3.9
Step-by-step explanation:
cos = adj/hyp
cos67 = x/ 10
x = 10 * cos67
use calculator
d:192
Answer:A
Step-by-step explanation: In exponents,
a
1
m
=
√
Hence
x
2
6750J
30^2=900 900x15=13500 13500/2=6750