Question
Asked Nov 7, 2019
77 views
A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 38 ft/s2. What is the distance covered before the car comes to a
stop? (Round your answer to one decimal place.)
ft
help_outline

Image Transcriptionclose

A car is traveling at 50 mi/h when the brakes are fully applied, producing a constant deceleration of 38 ft/s2. What is the distance covered before the car comes to a stop? (Round your answer to one decimal place.) ft

fullscreen
check_circle

Expert Answer

star
star
star
star
star
1 Rating
Step 1

Given,

            A car is travelling at 50 mi/hr when fully braked is applied, producing a deceleration of 38 ft/s2.

Step 2

Now,

...
help_outline

Image Transcriptionclose

5280 ft/s 73.33 ft/s 50 mi/h 50 x 3600 Now, applying the kinematic equation i.e. v2 u22as Where v, u, a and s are final velocity, initial velocity, deceleration and distance covered respectively .. 02 73.332 = 2(-38)s 73.332 -76s 73.332 S= 76 70.753 ft S= S 70.8 ft

fullscreen

Want to see the full answer?

See Solution

Check out a sample Q&A here.

Want to see this answer and more?

Solutions are written by subject experts who are available 24/7. Questions are typically answered within 1 hour.*

See Solution
*Response times may vary by subject and question.
Tagged in