Posted by **Jessica ** on Wednesday, April 13, 2011 at 12:33am.

A car travels along a straight road, heading east for 1 h, then traveling for 30 min on another road that leads northeast. If the car has maintained a constant speed of 48 mi/h, how far is it from its starting position? Round your answer to 2 decimal places.

- Math -
**Henry**, Friday, April 15, 2011 at 10:11pm
d1 = 45m/h * 1h = 45mi @ 0 deg.

d2 = 45m/h * 0.5h = 22.5mi @ 45deg.

X = hor. = 45 + 22.5cos45 = 60.91mi.

Y = ver. = 22.5sin45 = 15.91mi.

d^2 = X^2 + Y^2,

d^2 = (60.91)^2 + (15.91)^2 = 3963.16,

d = 62.95mi.

## Answer This Question

## Related Questions

- hw - A car travels along a straight road, heading east for 1 h, then traveling ...
- math - A car travels along a straight road, heading east for one hour then ...
- Math - I have another problem that I don't know how to solve. A car travels ...
- physics, dynamics - Car A starts from rest at t = 0 and travels along a straight...
- physics - I need help with this question. A car travels along a straight and ...
- physics - Cars A and B are racing each other along the same straight road in the...
- Physics - Two cars are traveling along a straight road. Car A maintains a ...
- Physics - A police car is traveling east at 40.0 m/s along a straight road, ...
- physics - Cars A and B are racing each other along the same straight road in the...
- physics - 1. A car travels down a straight, flat, level road. Initially, the car...

More Related Questions