-6.98 × 10-^7 is the answer <3
PE= 3kg x 10N/kg x 10m
= 300J
The answer to the first question is that plants make glucose and oxygen by taking in CO2 and H20.
The answer to the second question is having a heavier mass increases the force of a moving object. That is the Second Law of Motion, F = ma.
Answer:
In 15 minutes the car travels a distance of 15 km.
Explanation: