Friday
July 25, 2014

Homework Help: Physics

Posted by Will on Monday, March 18, 2013 at 5:47pm.

A physics teacher (mass = 84.5 kg) is jogging through the woods and runs straight into a large oak tree at 3.5 m/s. Rebound speed is measured at 2.3 m/s in the opposite direction. If the time of contact with the tree is 45 milliseconds, what is the magnitude of the force that the tree exerts on the teacher?

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

physics - A man (mass = 78.6 kg) is jogging through the woods and runs straight ...
physics - After several large firecrackers have been inserted into its holes, a ...
Physics - Larry leaves home at 3:02 and runs at a constant speed to the lamppost...
Physics - Larry leaves home at 3:02 and runs at a constant speed to the lamppost...
Physics - Hung vertically, a mass less spring extends by 3.00 cm a mass of 739. ...
physics - 1) Suppose that a runner on a straight track covers a distance of 1 ...
physics please help!! - Hung vertically, a massless spring extends by 3.00 cm ...
Physics - rry leaves home at 4:07 and runs at a constant speed to the lamppost. ...
Intergated chemistry/physics - Your teacher bumps into you in the hallway and ...
Physics - The treasure map in the figure gives the following directions to the ...

Search
Members