Answer:
B. point on the surface directly above the earthquake
Explanation:
The earthquake involves the propagation of waves through the inner part of the earth due to natural or artificial processes. This majorly leads to the vibration of the earth crust of the affected region as the waves propagates. Thereby, causing sometimes the a violent break up of the surface of the earth from within.
Therefore, the focus of an earthquake is majorly called its epicenter, which is a point on the surface directly above the earthquake itself.
Work = Force * distance
Work = 40N * 10m
Work = 400N
Answer:
rate of heat exchange the animal and its environment. Feathers, vasoconstriction, Countercurrent heat exchanger and blubber are all mechanisms which restrict the transfer of heat from the animal body
Explanation:
Answer:
Explanation:
Given
Potential Energy of a particle is given by
For minimum or maximum Potential Energy differentiate U(x) w.r.t x
putting
To know minimum value check
at x=-2
so at x=-2 potential energy is minimum
Answer:
a) 19.1s
b) 599.4m
c) 62.8 m/s
Explanation:
Suppose both the officer and your good friend start at the same position (the intersection point). The equation of motion for each of them are:
- Your friend:
- The Officer:
(a) In order for the officer to catch him, they should both end up in the same position at the same time (other than t = 0)
(b) Within 19.1 s, the officer would have travelled a distance of
(c) His speed when he catches up would be