Friday

October 31, 2014

October 31, 2014

Posted by **Jill** on Sunday, November 22, 2009 at 3:49am.

b) A car braked with a constant deceleration of 40 ft/s^2 and produced skid marks measuring 160 feet before coming to a stop. How fast was the car traveling when the brakes were first applied?

- calc -
**drwls**, Sunday, November 22, 2009 at 9:41ama) Vo = 50 mph = 73.33 ft/s

Vo = sqrt (2 a X)

X = Vo^2/(2 a)

b) Use the Vo formula above, with X = 160 ft. The answer will be in ft/s.

**Answer this Question**

**Related Questions**

calculus - A car is traveling at 50 mi/h when the brakes are fully applied, ...

calculus - A car is travelling at 90mph when its brakes are fully applied, ...

mathematics - A car braked with a constant deceleration of 45ft/s^2 producing ...

calculas - A car braked at a constant deceleration of 45 ft / s2, producing a ...

calculus - A car braked at a constant deceleration of 45 ft / s2, producing a ...

Physics - A car traveling 56 km/h is 21.0 m from a barrier when the driver slams...

physics - A car initially traveling at 31.0 m/s undergoes a constant negative ...

Calculus - this homework is due in one hour and i have no idea how to answer ...

Physics - A car initially traveling at 33.4 m/s undergoes a constant negative ...

Physics - A car initially traveling at 33.4 m/s undergoes a constant negative ...