Answer:
13 seconds
90 seconds
Explanation:
=Velocity of sidewalk = 1.2 m/s
=Velocity of woman = 1.6 m/s
Distance to travel = 36 m
Time = Distance / Speed
Time taken by the woman if she walks in the same direction the sidewalk is moving is 13 seconds
Time taken by the woman if she walks opposite to the direction the sidewalk is moving is 90 seconds
Answer:
The answer to your question is 1.35 Watts
Explanation:
Data
Work = W = 5 J
time = t = 3.7 s
Power = P = ?
Formula
Power is a rate in which work is done or energy is transferred over time
P =
Substitution
Result
P = 1.35 W
The surface of the water or himself
Answer:
Explanation:
Using the law of the convervation of energy E:
so:
where is the constant of the spring 1, the compressed of the first spring, is the constant of the second spring and is the compressed of the second spring.
Replacing values, we get:
Solving for :