Register
A car traveling west in a straight line on a highway decreases its speed from 30 meters per second to 23 meters per second in 2 seconds. The car's average acceleration during this time interval is
212k views
0 votes
A car traveling west in a straight line on a highway decreases its speed from 30 meters per second to 23 meters per second in 2 seconds. The car's average acceleration during this time interval is

User Mithun Biswas
by
6.8k points

2 Answers

3 votes
Use the equation Vf=Vi+A(t)
Rearrange it so A is isolated: A= Vf-Vi/t
A=(23-30)/2
A=-3.5m/s^2
User Ombk
by
8.2k points
2 votes
u1= 30m/s
u2= 23m/s
t=2s
a=(u2-u1)/t
a=-7/2=-3.5 m/s^2
User Sergey Olontsev
by
8.6k points
← Prev Question Next Question →

No related questions found

Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

9.5m questions

12.2m answers

Other Questions

Physical properties of minerals graphic organizer
A snowball is launched horizontally from the top of a building at v = 16.9 m/s. If it lands d = 44 meters from the bottom, how high (in m) was the building?
What type of rock is the Haystack rock (igneous, Metamorphic, or Sedimentary)
what is a device that transforms thermal energy to mechanical energy
How many light sources do you know Pls list them
Link Copied!