shajajashajak
shajajashajak shajajashajak
  • 01-03-2017
  • Physics
contestada

what is the mass of an object that creates 33750 J of energy by traveling at 30 m/s

Respuesta :

21SAVAGEEE
21SAVAGEEE 21SAVAGEEE
  • 01-03-2017
Answer: Mass of the object is  75 kg.
Answer Link
osprey2015
osprey2015 osprey2015
  • 01-03-2017
travelling energy = kinetic energy = half m v squared.
33750=(1/2)m 30^2
33750=15x30m
3375=15x3m
m=75kg

Answer Link

Otras preguntas

What powers the water cycle
mike rents a car for at total of £445 its £145 for the day and £60 every day after how many days did he have the car (pls show working)
After the box comes to rest at position x1, a person starts pushing the box, giving it a speed v1. when the box reaches position x2 (where x2>x1), how much w
Write an expression that represents the area of a rectangle with length 4ab squared and width 2ab. (For any rectangle with length l and width w, A = lw.)
the weight of a bass varies jointly as the girth and the square of its length. a prize winning bass weighed in at 20.4 lb and measured 35 in long with a 22in gi
describe how imperial powers expanded between 1822 and 1900
i need help with 1-6
His steady hands make dr. greene a top-notch surgeon. given this information, dr.greene would appear to have a high level of _____ intelligence.
In the poem, “Looking, Walking, Being,” language is called ______________.
Finding the size, quantity, or amount by comparing with a standard is the definition of A: measurement B: Units C: Standardization