valeriagarcia71
valeriagarcia71 valeriagarcia71
  • 07-11-2019
  • Physics
contestada

A car accelerates at a constant rate from 12 m/s to 27 m/s while it travels 125 m. How long does it take to achieve this speed?

Respuesta :

Hania12
Hania12 Hania12
  • 13-11-2019

Answer:

6.41 s

Explanation:

Under constant acceleration we know that

average velocity × time taken = displacement

[tex]s=\frac{u+v}{2}t[/tex]

[tex]125=\frac{27+12}{2}t[/tex]

    t = 6.41 s

The proof of used equation is given in the attachment.

Ver imagen Hania12
Answer Link

Otras preguntas

Write an expression for 349.49
Find the equation of the line through the points (−2,7) and (0,5).
Bell and collaborators painstakingly documented a population of fossil sticklebacks from an ancient freshwater lake over a 20,000-year period. The prevalence of
How do you know when the solution to a system of equation is a precise answer and when it is an approximate answer?
true or false a rate is the ratio of two measurements that have different units​
sue has 5 ropes of 5350 mm each.If she ties them together to make one long rope and each kont takes up 15 cm,how long will the rope be ​
A cork floats on the surface of an incompressible liquid in acontainer exposed to atmospheric pressure. The container is thensealed and the air above the liquid
Find S8 for the series -2 + -10 + -50 + -250 +...
A blank is 2 or more substances that are together in the same place but are not chemically combined.
Martin is trying to watch the big game while he's getting a soda out of the refrigerator. As a result, he doesn't find sodas, even though they are right in fron