Should be C). metamorphic rocks change when heat and pressure are applied like coal into a diamond.
It will decrease in the same proportion.
Answer:
Explanation:
Behind the second car , no of cars = 13
total mass of 13 cars = 13 x 37000 Kg
acceleration = .46 m /s²
If T be the tension
This tension is pulling 13 cars
force = mass x acceleration.
T = 13 x 37000 x .46
= 221260 N .
Electric charge? Hope that kinda gives you an idea... I am not sure if that is the answer or not though.