# physics

a fire hose hold near the ground shoots water at speed of 6.8 m/s at what angle(s) should the nozzle point in order that the water land 2 dm away why are there two diffent angles?

1. 👍 0
2. 👎 0
3. 👁 309
1. Do you mean 2 meters away? If so,

Dx = Vo^2*sin(2A)/g = 2 m.
6.8^2*sin(2A)/9.8 = 2.
46.24*sin(2A) = 19.6
sin(2A) = 0.42388
2A = 25.1o
A = 12.54o

1. 👍 0
2. 👎 0
posted by Henry

## Similar Questions

1. ### physics

A fire fighter is trying to shoot water straight to the window located at the second floor of a house 6 m above the ground. The distance between the fire fighter and the house is 8 m and he holds the fire hose 1.8 m above the

asked by Phillip on September 20, 2015
2. ### physics

a fire hose held near the ground shoots water at a speed of 6.4m/s, at what angle should

asked by Anonymous on October 14, 2014
3. ### physics

Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 27.0m/s as it leaves the hose nozzle. Once it leaves the hose, the water moves in projectile motion. The

asked by Tee on September 21, 2008
4. ### physics

A fire hose held near the ground shoots water at a speed of 5.5 .At what angle(s) should the nozzle point in order that the water land 2.0 away (see the figure )?

asked by Anonymous on January 29, 2012
5. ### physics

a fire hose held near the ground shoots water at a speed of 6.5m/s at what angle should the ozzle point in order that the water land 2.5m away? why are there two different angles?

asked by kelly on October 17, 2011
6. ### Physics

a fire hose held near the ground shoots water at a speed of 6.4m/s at what angle should the nozzle point in order that the water lands 2.5m away? And why are there two different angles?

asked by Shielsky on November 8, 2019
7. ### physics

Firemen are shooting a stream of water at a burning building. A high-pressure hose shoots out the water with a speed of 24.0{\rm m}/{\rm s} as it leaves the hose nozzle. Once it leaves the hose, the water moves in projectile

asked by corrina on January 26, 2013
8. ### Physics

A fire hose held near the ground shoots water at a speed of 13m/s.At what angle should the nozzle point in order that the water land 16m away?Why are there two different angles? Please show the all the work thank you very much.

asked by Arman on September 13, 2016
9. ### Physics

A gardener holds a hose 0.75m above the ground such that the water shoots out horizontally and hits the ground at appoint 2.0 m away. What is the speed with which the water leaves the hose?

asked by John Allen on July 19, 2016
10. ### Science(physics)

A fire hose held near the ground shoots water at a speed of 6.38 m/s. The water rises upwards in an arc then falls back to the ground. If the nozzle is pointed upwards at an angle of 56.53degrees, what distance away from the

asked by melissa on October 1, 2009

More Similar Questions