Afootball player kicks a ball with a mass of 0.42 kg. the average acceleration of the football was 14.8 m/s².

how much force did the kicker supply to the football?

a.
6.22 m/s²

b.
35.24 m/s²

c.
35.24 n

d.
6.22 n

Ababy stroller is a rest on top of a hill which is 10 m high. the stroller and baby have a mass of 20 kg. what is the potential energy of the baby and stroller?

Scout feels ill one day before school. her mother puts a thermometer in her mouth and the temperature begins to climb to 100°f. what is happening between the cooler thermometer and scout's body? a) scout's body is applying a force to the particles in the thermometer. b) kinetic energy is being transferred from her mouth to the thermometer. c) potential energy is being lost by the thermometer and gained by scout's body. d) the potential energy stored in foods is converted to mechanical energy to raise the mercury in the thermometer.

It is really hard for me right know