How much work is required for a 74Kg sprinter to acclerate from rest to 2.2 m//s?

The mass of a car is 1500 kg. How much work is required to be done on it to make with a speed of 72 km/h ?

How much work is required to form a bubble of 2 cm radius from the soap solution having surface tension 0.07 N//m

How much work is required to form a bubble of 2 cm radius from the soap solution having surface tension 0.07N/m.

How much force is required to produce an acceleration of 2 m s^(-2) in a body of mass 0.8 kg ?