They do it when they are moving for a while or they are going fast
Explanation:
a. " for every action there is an equal and opposite reaction".
b. The electric fan does not stop moving just after the switch turns off because of rational inertia force.
c. The force applied to first vehicle is 120N.
d. In my view it doesn't support the law of conservation of momentum. Momentum of 1 and 2 object before the collision is equal to the total momentum of two object after collision.
The difference between A,B,C,D are that the yields go up a with the carbon dioxide for EF and G the temp goes up but not the carbon dioxide
Equation= time=distance/speed
= 1500/600
= 2.5 hours
Part 1)
here we know that supply took 10 s to reach the ground
so here we will have
Part 2)
Here all the supply covered horizontal distance of 650 m in 10 s interval of time
so here we can say
