TWIRINTWIN
A car with two passengers traveling at 15 m/s collides with a tree. One of the passengers who is not wearing a seat belt strikes the windshield head first and come to rest in 0.03 s. The area of contact between the head and the windshield is approximately 5×10⁻⁴ m² and the mass of the head is 5.4kg. The other passenger is 75kg. The area of the seatbelt in contact with this passenger is about 0.12 m². Find the average force and the force per unit area exerted on the two passengers.
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#BrainlyFast
Problem:
What is the average speed of a horse that sprints 100 meters in 4 seconds?
A. 21.5 m/s
B. 25 m/s
C. 22.5 m/s
D. 18.6 m/s
Given Data:
d ( distance ) = 100 m
t ( time ) = 4 s
s ( speed ) = ? unknown
Solution:
We can use the formula speed = distance / time ( s = d / t )
s = d / t
= 100 m / 4 s
= 25 m/s
Answer:
The speed is equal to 25 m/s
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brainly.ph/question/11771997