Answer:
the answer is C
Explanation:
So, the formed image will be real and inverted.
I only know P and V and P is pressure and V is volume
All machines are not 100% efficient because of <span>C. Friction</span>
Answer:
α = 0.0135 rad/s²
Explanation:
given,
t = 133 min = 133 x 60 = 7980 s
angular speed varies from 570 rpm to 1600 rpm
now,
570 rpm =
= 59.69 rad/s
1600 rpm = =
= 167.6 rad/s
using equation of rotational motion
ωf = ωi + αt
167.6 = 59.7 + α x 7980
α x 7980 = 107.9
α = 0.0135 rad/s²
The Answer is C. the distance light travels in a year