Homework Help: physics

Posted by Dawn on Wednesday, February 20, 2013 at 3:11pm.

A 240-kg boat is at rest in calm conditions. A sudden wind pushes the boat 200 meters in 30 seconds. What was the net force on the boat if the acceleration was constant?

physics - Henry, Thursday, February 21, 2013 at 6:44pm
d = 0.5a*t^2 = 200 m.
0.5a*(30)^2 = 200
450a = 200
a = 0.444 m/s^2.

F = m*a = = 240*0.444 = 106.7 N.

Answer this Question

Related Questions

Physics/Math - An iceboat is at rest on a frictionless frozen lake when a sudden...
Physics - An iceboat is at rest on a frictionless frozen lake when a sudden wind...
physics - a boat of mass 90 kg is floating in still water a body of mass 30 kg ...
Science - A child in a boat throws a 5.30 kg package out horizontally with a ...
physics - help please A sailboat is traveling east at 8.0 m/s. A sudden gust of ...
Physics - Momentum - A child in a boat throws a 5.60 kg package out horizontally...
physics - Two people pull as hard as they can on ropes attached to a 200 kg boat...
Physics - A sailboat is traveling east at 8.0 m/s. A sudden gust of wind gives ...
physics - A child in a boat throws a 6.00 kg package out horizontally with a ...
Physics - A child in a boat throws a 5.40 kg package out horizontally with a ...

For Further Reading

First Name:
School Subject:
Answer: