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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:**Problem Description:**
When jumping, a flea accelerates at an astounding \( 1000 \, \text{m/s}^2 \), but over only the very short distance of \( 0.70 \, \text{mm} \).
**Question - Part A:**
If a flea jumps straight up, and if air resistance is neglected (a rather poor approximation in this situation), how high does the flea go?
Express your answer with the appropriate units.
**Response Box:**
The image contains a response area for entering the calculated height (`h`) with fields for Value and Units.
**Hints:**
- There is an option to view available hints to help solve the problem.
**Note:**
- Accurate use of units and conversion of measurements is crucial when determining the final answer.
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- -b+√b²-4ac 2a x = xo + vot + ½ât², v = vô + āt, v² = v² + 2ảAx, t = ² Problem 1: A ball is thrown straight up from the ground. The ball reaches a maximum height of 5 m. For simplicity, use g = 10 m/sec². a) What is the initial speed of the ball? Answer: 10 m/sec b) What is the time it takes the ball to reach the maximum height of 5 m? Answer: 1 sec c) What is the time it takes the ball to hit the ground? Answer: 2 sec d) At what times is the ball at a height of 3 m above the ground? Answer: 0.37 sec and 1.63 sec e) What is the velocity of the ball when it is at a height of 3 m above the ground? Answer: +6.3 m/sec or -6.3 m/sec.arrow_forwardA certain freely falling object, released from rest, requires 1.55 s to travel the last 22.0 m before it hits the ground. (a) Find the velocity of the object when it is 22.0 m above the ground. (Indicate the direction with the sign of your answer. Let the positive direction be upward.) m/s(b) Find the total distance the object travels during the fall. marrow_forwardA car traveling 95 km/h slows down at a constant 0.50 m/s² just by "letting up on the gas." ▾ Part A Calculate the distance the car coasts before it stops. Express your answer using two significant figures. IVE ΑΣΦ £—20 = Submit Request Answer Part B Calculate the time it takes to stop. Express your answer using two significant figures. tstop= | ΑΣΦ ? ? S marrow_forward
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