IDNLearn.com makes it easy to find accurate answers to your specific questions. Ask your questions and receive reliable and comprehensive answers from our dedicated community of professionals.

A skateboarder has an acceleration of -1.9 m/s2. If her initial speed is 6 m/s how long does it take her to stop?
A. 4.1s
B. 3.2s
C. 0.32s
D. 2.1s


Sagot :

intial speed = 6m/s
final speed = 0 m/s as it stop
acceleration = 1.9 m/s2
time taken = t s

v=u+at
0=6+1.9*t
t=3.15 s = 3.2 s

Thank you for contributing to our discussion. Don't forget to check back for new answers. Keep asking, answering, and sharing useful information. Find clear and concise answers at IDNLearn.com. Thanks for stopping by, and come back for more dependable solutions.