equus419 equus419

19-04-2017
Physics

contestada

A car moves at a velocity of 8.5 meters per second. It then accelerates at a constant rate of 2.5 m/s^2 for a total time of 5 seconds. How fast is the car moving at the end of the 5 seconds?

I got 21 mps... is this right?

Respuesta :

nourhanashraf9 nourhanashraf9

30-04-2017

according to motion 1st equation
vf=vi+at
=8.5+2.5×5
so the answer is 106.25 m/s

Answer Link

Otras preguntas

What is foreshadowing

if (x-1)/(x)=20 then x=

Points of intersection??? a)x^2+y^2=5 x-y=1 b)y=x^3-4x y=-(x+2) c)y=x^3-2x^2+x-1 d)x=3-y^2 y=x-1

which of the following statements about sexual attaration and intimacy in the work place is true?1.romance between a worker and a supervisor must allways be out

If PQ=7 and QR=10, then PR= what ?

What would happen to the brightness of the bulb in the following circuit as I increase the resistance of the variable resistor? Explain your answer

If a hallway measuring 90 feet by 7 feet requires 1/2 a fluid ounce of cleaning solution per square foot, how much cleaning solution is needed to clean the hall

how to round 6,299,504?

Evaluate 5a+3b and (5+a)(3+b) For a =2 and b=4. How Is the order Of the steps different For the two expressions?

What is the energy source for plants?