Answer:
180°
Explanation:
Friction, if it exists, ALWAYS opposes motion or attempted motion.
The energy required to start a reaction IS called the activation energy. TRUE
Increasing a car's speed from 0 mph to 30 mph requires more work than that of 50 mph to 60 mph.
<h3>What is work?</h3>
Work is a measure of energy expended in moving an object. It is calculated by multiplying the force by the distance.
According to this question, work is required to move a car from one position to another.
The distance moved from 0 - 30mph is more than that moved from 50 - 60mph, therefore, increasing a car's speed from 0 mph to 30 mph requires more work than that of 50 mph to 60 mph.
Learn more about work at: brainly.com/question/19382352
#SPJ1
