A car traveling 100km/h strikes a tree. The front end of the car compresses and

Question

A car traveling 100km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 1.0m.
A) what was the magnitude of the average acceleration of the driver during the collision? Express the answer to 2 significant figures.
B) Express the answer in g's where 1.00 g=9.80m/s^2 again expressing to 2 significant figures. A car traveling 100km/h strikes a tree. The front end of the car compresses and the driver comes to rest after traveling 1.0m.
A) what was the magnitude of the average acceleration of the driver during the collision? Express the answer to 2 significant figures.
B) Express the answer in g's where 1.00 g=9.80m/s^2 again expressing to 2 significant figures.
A) what was the magnitude of the average acceleration of the driver during the collision? Express the answer to 2 significant figures.
B) Express the answer in g's where 1.00 g=9.80m/s^2 again expressing to 2 significant figures.

Explanation / Answer

initial velocity = vi = 100 km/h = 100 x 1000/3600 m/s = 27.778 m/s
final velocity = vf = 0
acceleration = a = ?
distance = s = 1 m  
vf2 - vi2 = 2as
=> 2a (1) = 0 - (27.78)2
=> 2a = 0

Related Questions

Navigate

• Browse (All)
• Browse A
• Subjects

---

---

Integrity-first tutoring: explanations and feedback only — we do not complete graded work. Learn more.