uhansiddique30 uhansiddique30

02-06-2021
Physics

contestada

A lorry of mass 4000 kg is travelling at a speed of 4 m/s.
A car has a mass of 1000 kg. The car's kinetic energy is equal to that of the lorry

Respuesta :

machmillerg machmillerg

02-06-2021

Answer:

KE = 32,000J

v = 8m/s

Explanation:

KE = .5*m*v²

KE = .5*4000kg*(4m/s)²

KE = 32,000J

32,000J = .5*1000kg*v²

v² = 64

v = 8m/s

Answer Link

Otras preguntas

What is the slope-intercept form of the function that contains the point (6, 2) and has a slope of 3? y= ____ x+ ____

Which is part of the biosphere? A. humans B. stratosphere C. volcanoes D. oceans

In which state of matter transition do water molecules move the least? A. melting B. condensation C. evaporation D. freezing

how many nerves and bones and red blood cells does our body have plz help!!

fraction - write the equivalent mixed number : 50/7 = ? (7 1/7)

What does (-9)^-2 mean?

help me solve this algebra question pleaseeeeee 3(6-4x)-27x+10x-31

What is the percent decrease from 60 to 39?

what is (5x + 3z) +9z simplified

If (on earth) an object falls 18m and loses 36J of GPE. What is the objects mass?