# 12th grade (Physics)

posted by .

A highway is to be built between two towns, one of which lies 44.0 km south and 74.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed?

• 12th grade (Physics) -

What does km stand for (I'm only in 4th grade)?

• 12th grade (Physics) -

50km

• An motorbike traveling down the road at a constant speed emits sound waves from its siren.a boy stand on the side of the road with a detector which register sound waves at a frequency of 460 hz as the motorbike approaches him.after passing him and moving away at the same constant speed,sound waves of frequency 390 hz registered.calculate the speed at which the motorbike is moving? -

454

## Similar Questions

1. ### physics

a highway is to be built between two towns, one of which lies 35.0 km south and 72.0 km west of the other. what is the shortest length of highway that can be built between the two towns, and at what angle would this highway be with …
2. ### 12th grade Physics

the force between two charges is 20.0 N. if one charge is doubled, the other is tripled, and the distance between them is halved, calculate the resultant force between them.
3. ### Science

A highway is to be built between two towns, one of which lies 98.0 km south and 24.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway …
4. ### physics

A highway is to be built between two towns, one of which lies 24.0 km south and 76.0 km west of the other. What is the shortest length of highway that can be built between the two towns, and at what angle would this highway be directed?
5. ### physics

A highway is to be built between two towns, one of which lies 49.0 km south and 95.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway …
6. ### physical

A highway of concrete slabs is to be built in the Libyan desert, where the highest air temperature recorded is 57.8 °C. The temperature is 23.1 °C during construction of the highway. The slabs are measured to be 11.7 m long at this …
7. ### Calculus

1)A north south highway, intersects an east west highway, at point P. A vehicle process point P @ 1pm, traveling east at a constant speed of 60km/h. At the same instant another vehiclist 5km north of P, travelling south at 80km/h, …
8. ### physics

A highway is to be built between two towns, one of which lies 47.0 km south and 69.0 km west of the other. (a) What is the shortest length of highway that can be built between the two towns, and (b) at what angle would this highway …
9. ### math

two cars are approaching each other on the same highway one from san bernardino at 80 mph and the other from las vegas at 60 mph how far apart are they on the highway one hour before they meet?
10. ### Math Trigonometry

An airplane is flying between two towns at an altitude of 8km. One town is to the west of the plane and the other is to the east. The angle of depression to one town in de34grees and to the other town is 49degrees. What is the distance …

More Similar Questions