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Applications of projectile motion - Jamb Physics Past Questions and Answers

Jamb Physics Past Questions

Jamb Past Questions and Answers on Applications of projectile motion

Question 6:

JAMB 1987

A jet engine develops a thrust of 270Ns when the velocity of the exhaust gases relative to the engine is 300ms^-1. What is the mass of the material ejected per second?

A. 81.00kg
B. 9.00kg
C. 0.90kg
D. 0.09kg

View Answer & Explanation

Question 7:

JAMB 1993

A rocket burns fuel at the rate of 10kgs^-1 and ejects it with velocity of 5 x 10³ms^-1. The thrust exerted by the gas on the rock is

A. 2.5 x 10⁷N
B. 5.0 x 10⁴N
C. 5.0 x 10²N
D. 2.0 x 10^-3N

View Answer & Explanation

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