alvaradobryana413 alvaradobryana413
  • 22-10-2018
  • Physics
contestada

15. A body moving with a velocity of 20 m/s begins to accelerate at 3 m/s2. How far does the body move in 5 seconds? A. 137.5 m B. 196 m C. 260 m D. 162.5 m

Respuesta :

imatrainyeet
imatrainyeet imatrainyeet
  • 22-10-2018

Answer is B. According to the equation of motion s = vt + 1/2 at2 Where s is distance covered, v is velocity, a is acceleration and t is time taken. So, by putting all the values, we get s = (20)(5) + 1/2 (3)(5)2 s = 100 + 1/2 (3)(25) s = 100 + 1/2 75 s = 100 + 37.5 s = 137.5 meters



Answer Link
tddreviews tddreviews
  • 26-10-2018

The Correct answer to this question for Penn Foster Students is: 137.5 m

Answer Link

Otras preguntas

Solve for x. 3(2x-3) +42-2=0
Which statement is true for communicating about others view point
Which of the following polynomials has a remainder of -11 when divided by x+1? A. −2x3+4x2+3x−2 B. 3x3+6x−2 C. x3−2x2−4x+1 D. 4x3+2x2+5
Economists believe that consecutive periods of deflation ultimately lead to _____. A. economic growth B. recessions C. economic fluctuations D. depressions 2b2t
What processes can change sedimentary rock into igneous rock? A. High pressure and deposition B. Lithification and cooling C. Uplift and erosion D. Heating
please reply...wasn't taught this​
Which relation is not a function? [Control] A. ((6.5).(-6, 5). (5.-6) [Control] B. ((6,-5). (-6, 5). (5.-6)) [Control] C. ((-6,-5). (6.-5. (5.-6)} [Control] D.
The circumference of a circle is 30t. What is its area? ​
five consecutive multiples of 11 have a sum of 220. what is the greatest of these numbers A. 33 B. 44 C. 55 D. 66
A quadrilateral with exactly two parallel lines is a