Final answer:
The magnitude of the average force applied to the egg by the roof is approximately 217 N.
Step-by-step explanation:
To calculate the magnitude of the average force applied to the egg by the roof, we can use the impulse-momentum equation:
F * Δt = m * Δv
Where F is the average force, Δt is the time of contact, m is the mass, and Δv is the change in velocity. Plugging in the values given:
F * 0.066 = 0.17 * (11.6 - (-29.3))
Simplifying the equation, we find that the magnitude of the average force applied to the egg by the roof is approximately 217 N.