a spaceship in orbit has a kinetic energy of 2.5 TJ how much work was required for the spaceship to accelerate from 0m/s to its current speed

600 tall pea plants.

Explanation: The F1 generation must be all tall pea plants, if in the F2 generation there are 200 short plants that is the 25% of the offspring, the tall plants must be the 75% of the offpring, that is 600 (3 simple rule):

200 ----> 25%                 X= (75% x 200)/ 25% = 600

  X ------> 75%