Answer:
average velocity include total displacement whereas average speed include total distance
Answer:
B. The force that the elephant applies to the ball
Answer:
Part 1)
E = 10200 Cal per day
Explanation:
Part 1)
Small mouse used the energy of 3 Cal
mass of the mouse = 20 g
so energy used per day per unit of mass is given as
Now for a person of mass 68 kg the energy is
per day
Part 2)
Resting power means the rate of energy consumed by the body while we are not doing any work and all that energy is consumed for several biological process.
The kinetic energy of an object is directly proportional to its mass, and to the square of its velocity.