You dont have javascript enabled! Please enable it! Solution: How fast in kph is the distance between the two trains changing at 4:00 PM?

# Solution: How fast in kph is the distance between the two trains changing at 4:00 PM?

#### Problem Statement: CE Board May 1996

Two railroad tracks are perpendicular to each other. At 12:00 PM there is a train at each track approaching the crossing at 50 kph, one being 100 km and the other 150 km away from the crossing. How fast in kph is the distance between the two trains changing at 4:00 PM?

• A. 67.08 kph
• B. 68.08 kph
• C. 69.08 kph
• D. 70.08 kph

The distance between the two trains changing at the rate of 67.08 kph

View Solution:

Subscribe To Unlock The Content! and Remove Ads.

More Questions in: Differential Calculus (MAXIMA-MINIMA & TIME RATES)

Also Questions in: Differential Calculus (LIMITS & DERIVATIVES)

#### Online Questions and Answers in Differential Calculus (LIMITS & DERIVATIVES)

P inoyBIX educates thousands of reviewers and students a day in preparation for their board examinations. Also provides professionals with materials for their lectures and practice exams. Help me go forward with the same spirit.

โWill you subscribe today via YOUTUBE?โ

Subscribe

• Full Content Access Exclusive to Premium members

## PINOYBIX FREEBIES FOR PREMIUM MEMBERSHIP:

• CIVIL ENGINEERING REVIEWER
• CIVIL SERVICE EXAM REVIEWER
• CRIMINOLOGY REVIEWER
• ELECTRONICS ENGINEERING REVIEWER (ECE/ECT)
• ELECTRICAL ENGINEERING & RME REVIEWER
• FIRE OFFICER EXAMINATION REVIEWER
• LET REVIEWER
• MASTER PLUMBER REVIEWER
• MECHANICAL ENGINEERING REVIEWER
• NAPOLCOM REVIEWER

## FOR A LIMITED TIME

If you subscribe for PREMIUM today!