Wednesday

July 23, 2014

July 23, 2014

Posted by **The range of a target is found to be 20km. A shell leaves a gun with a velocity of 500ms-1. What must be the angle of elevation of the gun if the ground is leueled?** on Wednesday, February 1, 2012 at 8:55am.

- Physics -
**drwls**, Wednesday, February 1, 2012 at 10:16amThat's quite a long name you have.

R = (Vo^2/g)*sin(2A) = 20,000 m

sin(2A) = 0.785

2A = 51.7 or 128.3 degrees

A = 25.85 or 64.15 degrees

**Related Questions**

physics - is there a site where i can see if my calculations ofmeasurements or ...

phsics - what is pumped into walls for insulation? help please :(

phsics - I'm having some trouble with a question how do you find a vector that ...

Chemistry - I really don't get this. The calculations shown don't make sense. ...

English - Mother wants to see you. Father wants to see you. Sister wants to see ...

math - x/3+2=x/6 In solving this problem do I divide 3 from both sides are what...

intro to phsics - if one vector points north at 3m/s, and another points east at...

Phsics - A man weighs 772 N on Earth. What would he weigh on Jupiter, where the ...

phsics - a 4-kg box is pushed across a level floor with a force of 60n for a ...

Math - A certain computer can perform 10 to the 5th power calculations per ...