Pkpk7956 Pkpk7956
  • 03-10-2019
  • Physics
contestada

4) A drag racer starts from rest and accelerates at 10 m/s2 for the entire distance of 400 m (1/4
mile). What is the velocity of the race car at the end of the run?​

Respuesta :

sciguy101 sciguy101
  • 03-10-2019
Start with the givens and the unknown:
vi = 0
a = 10
d = 400
vf = ?

The kinematics equation incorporating these variables is:

vf^2 = vi^2 + 2ad
vf^2 = 0 + 2(10)(400)
vf^2 = 8000
vf = 89.4 m/s
Answer Link

Otras preguntas

let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)
The Habsburg Empire did all of the following EXCEPT A. take control of Hungary, Croatia, and Slovonia. B. lose their Holy Roman Empire in Germany. C. remain a c
Consider two linear transformations y = T(x) and z = L(y), where T goes from R^m to R^p and L goes from R^p to R^n. Is the transformationz = L(T(x)) linear as w
which type of gas is filled in lays pack and why?
Compute the odds in favor of rolling a sum of 10 in a single roll of two fair dice
List all integers between -0.6 and 4.17 THANK U
List all integers between -0.6 and 4.17 THANK U
take 2 identical bowls filled with water.shine a spotlight on one and place one away from the spotlight in the same room. which shows higher evaporation and why
How would you define psychological realism?
2-3 facts about Warsaw Pact