Answer:
C. 1.15
Explanation:
The formula for the critical angle is:
Where,
is the critical angle
is the refractive index of the refractive medium. ( Alcohol , ? )
is the refractive index of the incident medium. ( Glass, 1.66 )
<u>Critical angle = 44º</u>
Applying in the formula as:
Answer:
i think that the answer might be be C. one day. because it last about 4 to 6 hours
Answer:
69.66 rad/s
Explanation:
Suppose the handle of the crank is L = 1 m long. We can calculate the torque:
T = F*L = 258*1 = 258 Nm
Then the angular momentum is given to the handle within 0.27 seconds is
rad/s
Answer:
A plane mirror is placed to the right of an object. The image formed by the mirror will be a virtual image that appears to be on the left of the mirror.
Explanation: