HomeworkLib
Question

Determine the stopping distance for a car with an initial speed of 95.0 km/h if the...

Determine the stopping distance for a car with an initial speed of 95.0 km/h if the human reaction time is 1.0 s. Assume the car can decelerate constantly at 5.0 m/s2. (Ans in m.)

science   physics   
0 0
Add a comment Improve this question Transcribed image text
Next > < Previous
Sort answers by oldest

Homework Answers

Answer #1

Here,

for the initial speed, u = 95 km/hr

u = 26.4 m/s

acceeleration = - 5 m/s^2

Now, for the total distance needed to stop

stopping distance = u^2/(2 * a) + u * t

stopping distance = 26.4^2/(2 * 10) + 26.4 * 1

stopping distance = 61.24 m

the stopping distance is 61.24 m

0 0
Add a comment
Know the answer?
Add Answer to:
Determine the stopping distance for a car with an initial speed of 95.0 km/h if the...
Your Answer:

Post as a guest

Your Name:

What's your source?

Earn Coins

Coins can be redeemed for fabulous gifts.

Log In

Sign Up

Not the answer you're looking for? Ask your own homework help question. Our experts will answer your question WITHIN MINUTES for Free.
Similar Homework Help Questions

  • Determine the stopping distance for an automobile with an initial speed of 95km and human reaction...

    Determine the stopping distance for an automobile with an initial speed of 95km and human reaction time of 1s for an acceleration of a=-4.5m/s2, b(a) = -6.7 m/s2 (3A Homework 1 speed of 95 km/h and human reaction time of 1.0s: (a) for arn tni 3A Homework 1 Problem 2.41 Constants | Periodic Table Determine the stopping distances for an automobile with an initial speed of 95 km/h and human reaction time of 1.0 s (a) for an acceleration a...

  • Determine the stopping distances for an automobile with an initial speed of 95 km/h and human...

    Determine the stopping distances for an automobile with an initial speed of 95 km/h and human reaction time of 1.0 s : (a) for an acceleration a = -5.2 m/s2 , (b) for a = -6.6 m/s2 .

  • 1) Determine the stopping distances for a car with an initial speed of 97km/h and human...

    1) Determine the stopping distances for a car with an initial speed of 97km/h and human reaction time of 1.0s , for an acceleration a=?3.8m/s2. 2) Determine the stopping distances for a car with an initial speed of 97 km/h and human reaction time of 1.0s , for an acceleration a=?8.2m/s2.

  • PART A: Determine the stopping distances for an automobile going a constant initial speed of 95...

    PART A: Determine the stopping distances for an automobile going a constant initial speed of 95 km/h and human reaction time of 0.30 s , for an acceleration a=−3.6m/s2. Express your answer using two significant figures. PART B: Determine the stopping distances for an automobile going a constant initial speed of 95 km/h and human reaction time of 0.30 s , for an acceleration a=−6.5m/s2. Express your answer using two significant figures.

  • 1-26. Make up a table of stopping distances for an automobile with an initial speed of...

    1-26. Make up a table of stopping distances for an automobile with an initial speed of 80 km/h and human reaction time of 1.0 s: (a) for an acceleration a-4.0 m/s2; (b) for a -8.0 m/s

  • Determine the stopping distance, in meters, for an automobile traveling with an initial (constant) speed of...

    Determine the stopping distance, in meters, for an automobile traveling with an initial (constant) speed of 65 miles per hour for an acceleration a Assume a human reaction time of 0.30 seconds. -4.25 m/s HAO ? Value Units

  • The speed limit in a school zone is 45 km/h. A driver traveling at this speed...

    The speed limit in a school zone is 45 km/h. A driver traveling at this speed sees a child run onto the road 20 m ahead of his car. He applies the brakes, and the car decelerates at a uniform rate of 11.0 m/s2. If the driver's reaction time is 0.55 s, will the car stop before hitting the child?What is the stopping distance of the vehicle?

  • A car is moving on a city street at a speed of 30 km/h. The driver...

    A car is moving on a city street at a speed of 30 km/h. The driver sees a red traffic signal ahead and slams on the brakes, providing an acceleration that has magnitude 6.0 m/s2. The driver's reaction time is 0.50 s. (a) Determine the displacement of the car until it stops. ___m (b) Repeat Part (a) if the initial speed is 60 km/h and the braking acceleration is the same as in Part (a). ___m

  • The tires of a car make 83 revolutions as the car reduces its speed uniformly from...

    The tires of a car make 83 revolutions as the car reduces its speed uniformly from 95.0 km/h k m / h to 59.0 km/h k m / h. The tires have a diameter of 0.82 m m.What was the angular acceleration of the tires?If the car continues to decelerate at this rate, how much more time is required for it to stop?If the car continues to decelerate at this rate, how far does it go? Find the total distance?

  • The tires of a car make 95 revolutions as the car reduces its speed uniformly from...

    The tires of a car make 95 revolutions as the car reduces its speed uniformly from 95.0 km/hkm/h to 55.0 km/hkm/h. The tires have a diameter of 0.88 m Angular acceleration of the tires: -2 rad/s2 A. If the car continues to decelerate at this rate, how much more time is required for it to stop? Express your answer to two significant figures and include the appropriate units. B. If the car continues to decelerate at this rate, how far...

ADVERTISEMENT
Free Homework Help App
Download From Google Play
Scan Your Homework
to Get Instant Free Answers
Need Online Homework Help?
Ask a Question
Get Answers For Free
Most questions answered within 3 hours.
ADVERTISEMENT
ADVERTISEMENT