Homework Help: science

Posted by surbhi on Tuesday, November 15, 2011 at 12:41pm.

A man fires a gun 150m from a cliff. A second man who is standing 300m further away from the cliff hears the gun 1 second after he sees the flash. When will the second man will hear the echo from the cliff?

science - Henry, Wednesday, November 16, 2011 at 8:30pm
d = 2 * (150+300) = 900m = Total distance traveled by the sound.

d = Vt,
t = d / V = 900m / 300m/s = 3s. to hear
echo.

Answer this Question

Related Questions

PHYSICS - a 123 kg man space finds himself 60 m away from his space ship and ...
Physics - a 123 kg man space finds himself 60 m away from his space ship and ...
Physics - A man standing on very slick ice fires a rifle horizontally. The mass ...
two dimensional kinematics - A freight train is moving at a constant speed of Vt...
Physics (please help!!!!) - A man standing on a frictionless ice throws a ...
Physics please help - A man standing on a frictionless ice throws a boomerang ...
algebra - A man (we'll refer to him as man 1) starts from his home at 8 A.M...
Math - My problem involves right-triangle trigonometry. A man on a 135-ft ...
MATHS - a gun is fired at a distance of 24.3km away from man. he hears the sound...
physic echooo - A hunter is standing on flat ground between two vertical cliffs...

For Further Reading

First Name:
School Subject:
Answer: