Answered

Westonci.ca is your go-to source for answers, with a community ready to provide accurate and timely information. Join our platform to connect with experts ready to provide precise answers to your questions in different areas. Get detailed and accurate answers to your questions from a dedicated community of experts on our Q&A platform.

a car is traveling at 20m/s along a road. a child runs out into the road 50 m ahead and the car driver steps on the break. what must the car's decelaration be if the car is to stop just before it reaches the child.

Sagot :

jay40891

Answer:

4 m/s²

Explanation:

[tex]v {}^{2} = {u}^{2} + 2as \\ 0 {}^{2} = {20}^{2} + 2a(50) \\ a = - 4ms {}^{ - 2} [/tex]

Therefore, deceleration = 4 m/s²

We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. We appreciate your visit. Our platform is always here to offer accurate and reliable answers. Return anytime. Thank you for visiting Westonci.ca, your go-to source for reliable answers. Come back soon for more expert insights.