So 90^2+90^2=c^2
8100+8100=c^2
16200=c^2
C= ~127.28
The correct answer is 14.2 lb which is choice D.
Let:
F = minimum force required to prevent ball from rolling down the ramp
The formula will be:
F = w * sin theta
F = w * sin (39 degrees)
F = 22.6 * sin (39)
= 14.2 lb (this is rounded to the nearest tenth)
Answer:
dufenschmertz evil incorporated...
Step-by-step explanation:
after hours ;)
Answer:
c. 6x6
Step-by-step explanation:
because 6x6 is =36