bpkekeu9 bpkekeu9

06-06-2021
Physics

contestada

A car has a kinetic energy of 103kJ.
The speed of the car is 13.1 m/s.
Calculate the mass of the car.
Give your answer to 2 significant figures.

Respuesta :

Socrates17 Socrates17

06-06-2021

Answer: 1200kg

Explanation:

KE = (1/2)mv^2

103kJ = 103000J

103000J = (1/2) * m * (13.1m/s)^2

Solve for m

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