You dont have javascript enabled! Please enable it! Solution: How fast is the balloon receding from the observer 10 seconds later?

# Solution: How fast is the balloon receding from the observer 10 seconds later?

#### Problem Statement: ECE Board November 1991

A balloon is released from the ground 100 meters from an observer. The balloon rises directly upward at the rate of 4 meters per second. How fast is the balloon receding from the observer 10 seconds later?

• A. 1.68 m/sec
• B. 1.36 m/sec
• C. 1.55 m/sec
• D. 1.49 m/sec

The balloon receding from the observer at 1.49 m/sec

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!