Homework Help: maths

Posted by Anonymous on Monday, April 2, 2012 at 8:02am.

solution to the question+from the starting point A, a person goes 10m east then 10m north reaching the foot of a vertical pole 5m high, on top of which a red light is fitted. what is the actual distance of the red light as observed from A?

math - drwls, Monday, April 2, 2012 at 8:05am
Since the three displacements are in mutually perpendicular directions (x,y,z) , the distance from A to the light is

sqrt(10^2 + 10^2 + 5^2) = sqrt225 = 15 m

Answer this Question

Related Questions

High School Chemistry - 10mL of 0.10M HCl is given. What is the pH? How many ...
physics - A women walks 250m in the diretuibn 30 degrees east of north, then ...
physics - 1) A jogger runs directly east for 5 km, then turns and goes northwest...
physics - the number on the left is the displacement, on the right is the vector...
Chemistry - Ok, moving on from my last question, you have 100mL of 0.10M acetic ...
Physics 2 (URGENT) - Which of the following has an acceleration in the same ...
chemistry - what is the pH of a solution containing 25 ml of 0.10M acetic acid ...
Physics - Two bicyclists, starting at the same place, are riding toward the same...
Physics Lab Question, Help Please - Two speakers, A and B, are emitting ...
physics - A car is driven east for a distance of 45 km, then north for 33 km, ...

For Further Reading

First Name:
School Subject:
Answer: