Answer:
The muscles can perform 320 J of work.
Explanation:
Let the work performed by the muscles be J.
Efficiency of a body is given as the ratio of useful work to that of work supplied.
Here, the work provided by the candy bar is,
Efficiency of the muscles is,
Now, we know that,
Therefore, the work performed by the muscles is 320 J.
A) line segment AB is showing the cart traveling at 10 m/s.
B) Line segment CD is showing acceleration as the line has a straight increasing slope.
C) Line segment DE is showing the cart is traveling at a constant rate.
D) Line segment BC is showing acceleration as the cart is increasing its speed.
connexus! Answer b...
The answer is B.......