Solved

A Motorist Makes a Trip of 180 Miles

Question 475

Multiple Choice

A motorist makes a trip of 180 miles. For the first 90 miles she drives at a constant speed of 30 mph. At what constant speed must she drive the remaining distance if her average speed for the
Total trip is to be 40 mph?


A) 55 mph
B) 60 mph
C) 52.5 mph
D) 45 mph
E) 50 mph

Correct Answer:

verifed

Verified

Unlock this answer now
Get Access to more Verified Answers free of charge

Related Questions

Q470: If you run a complete loop around

Q471: Which of the following statements is true

Q472: The figure shows a graph of the

Q473: A car approaches you at a constant

Q474: The figure shows a graph of the

Q476: As more resistors are added in parallel

Q477: A plastic rod is charged up by

Q478: Arthur and Betty start walking toward each

Q479: If, in the figure, you start from

Q480: An instrument is thrown upward with a