Kinetic energy of person who is running will be more than a person who is walking. justify

Explanation:

When you run your heart rate and breathing rate is much higher when walking which requires more energy. Running is also faster than walking which means that the muscles need to exert more force per step to maintain the higher speed.

what was the acceleration of the 2 kg cart?

⇒ 16.0 cm/s2

what was the acceleration of the 4 kg cart?

⇒ 8.1 cm/s2

what was the acceleration of the 6 kg cart?

⇒ 5.3 cm/s2

find the surface area of the sphere to the nearest square unit. use a calculator.

a. 254 in.2

b. 64 in.2

c. 127 in.2

d. 1,018 in.2