madelinerothman0201 madelinerothman0201

Today at 12:17 AM
Physics

Answered

Which car will experience a greater KE, a car traveling at 16 m/s or a half as massive car traveling at 32 m/s

Answer :

StudiousStud3nt StudiousStud3nt

Today at 12:21 AM

Answer:

The car that is hald as massive

Explanation:

We can use the eqation for kinetic energy to solve this problem

KE = 1/2mv^2 (where m is mass and v is velocity/speed)

Lets give the original car a mass of 100kg and use the equation

KE = 1/2(100kg)(16m/s)^2 = 12800J

and now lets find kinetic energy of the half as massive car

KE2 = 1/2(50kg)(32m/s)^2 = 25600J

From this, we find that the hald as massive car will experience a greater kinetic energy while travling at double the velocity

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