zeyneptoraman zeyneptoraman
  • 22-03-2021
  • Mathematics
contestada

a boy on his bike has a force of 5.6 n and is accelerating at 12/m/s/s with a speed of 17m/s what is the kinetic energy of the boy?

Respuesta :

Crxxom Crxxom
  • 22-03-2021

Answer:

67.4 J

Step-by-step explanation:

F = ma

5.6 = m(12)

mass of the boy = 7/15 kg

KE = (1/2)mv^2

KE = (1/2)(7/15)(17^2)

KE = 67.4 J (3 sig. fig.)

Answer Link

Otras preguntas

Can two distinct lines intersect in more than one point? Explain.
How many minutes are 3/5 hours?
how do you divide $180 in the ratio of 2:3:4
what's the equation for "ten times the sum of half a number x and 5 is 8"
The mens world record for swimming 1500.0 m in a long course pool is 14 min 34.65 s. At this rate, how many seconds would it take to swim 0.550 miles (1 mile=16
Evaluate (3.2)*2-(4.8)*2/3.2+4.8
Read this sentence about Della from "The Gift of the Magi." Once she faltered for a minute and stood still while a tear or two splashed on the worn red carpet.
The area of a rectangle is 70 square inches. The length of the rectangle is 3 inches longer than the width. Which equation models this situation? A. w(w+3)=70 B
7 times what equals 2
Three times r less than 15 equals 6