a. What was the average velocity of the car from t=0 and t=20sec?

b. What was the average velocity from t=10 and t=30 sec?

c. About how fast was the car travelling at t=15sec?

in Calculus Answers by

Your answer

Your name to display (optional):
Privacy: Your email address will only be used for sending these notifications.
Anti-spam verification:
To avoid this verification in future, please log in or register.

1 Answer

a) 300 ft in 20 seconds=300/20=15 ft/s

b) (100-200)/(30-10)=-100/20=-5 ft/s (5 ft/s in the opposite direction)

c) between 15 and 20 seconds the curve is almost flat so the gradient is almost zero, which means the velocity is close to zero (the car is starting to turn).

by Top Rated User (764k points)

Related questions

Welcome to MathHomeworkAnswers.org, where students, teachers and math enthusiasts can ask and answer any math question. Get help and answers to any math problem including algebra, trigonometry, geometry, calculus, trigonometry, fractions, solving expression, simplifying expressions and more. Get answers to math questions. Help is always 100% free!
85,095 questions
90,229 answers
59,988 users