Chapter 2, Problem 25P

### College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300

Chapter
Section

### College Physics

11th Edition
Raymond A. Serway + 1 other
ISBN: 9781305952300
Textbook Problem

# A steam catapult launches a jet aircraft from the aircraft carrier John C. Stennis, giving it a speed of 175 mi/h in 2.50 s. (a) Find the average acceleration of the plane. (b) Assuming the acceleration is constant, find the distance the plane moves.

(a)

To determine

The average acceleration of the jet air craft.

Explanation

Given info:

The initial velocity of the jet air craft is 0.

The final velocity of the jet air craft is 175â€‰mi/h.

The time interval is 2.50â€‰s.

Formula to calculate average acceleration is,

aÂ¯=vfâˆ’viÎ”t

• aÂ¯ is the average acceleration
• vf is the final velocity
• vi is the initial velocity
• Î”t time interval

Substitute 175â€‰mi/h for vf, 0 for vi and 2.50â€‰s for Î”t to find aÂ¯

(b)

To determine

The distance travelled by the jet air craft.

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