Saturday

October 25, 2014

October 25, 2014

Posted by **leonard** on Wednesday, May 14, 2014 at 1:09am.

- route surveying -
**MathMate**, Wednesday, May 14, 2014 at 6:40am1 mph = 5280*.3048/3600=0.44704 m/s

vi=50*.44704=22.352 m/s

vf=0

a=-10 m/s²

use kinematics equation

vf²=vi²+2aΔx

to solve for Δx.

Subtract Δx from 80m to get the distance from the wall.

**Answer this Question**

**Related Questions**

Physics - Problem 4- Speedy car, driving at 30 m/s. The driver suddenly ...

physics - The speed limit in a school zone is 38 km/h. A driver traveling at ...

physics - The speed limit in a school zone is 40.0 km/hr. A driver traveling at ...

physics - A car is traveling at 28 m/s when the driver spots a large pothole in ...

Physics - The speed limit in a school zone is 40 km/h. A driver traveling at ...

Physics - A driver of a car going 95.0 km/h suddenly sees the lights of a ...

Math - A 12,000 lb truck is backing up at 5 mph. When it strikes a 170 lb person...

Physics - A driver of a car going 95.0 km/h suddenly sees the lights of a ...

Physics - A car is initially travelling at a constant speed of 20 m/s along a ...

physics - Suppose a car is traveling at +22.3 m/s, and the driver sees a traffic...