Let us observe a car with a mass of m = 8.2300 × 10² kg and driving v = 180 km. If we observe the amount of heat resulting from full breaking, it is Q = 5.4523 × 10² kJ. What is the kinetic energy of the car and with how high efficiency does the car convert its kinetic energy into heat? What is the Kinetic energy of the car? Ex = 1 kJ What is the Efficiency of energy conversione? n = 1 % Insert only 3 most significant digits of your answer without rounding. Quantity Input instruction Unit kg Mass of the car m km h kJ kJ % Symbol m Velocity of the car Kinetic energy of the car Heat generated in braking Q Efficiency of energy conversione n V Ex V E_k Q eta

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Let us observe a car with a mass of m = 8.2300 × 10² kg and driving v = 180 km. If we observe the amount of heat resulting from full breaking,
it is Q = 5.4523 × 10² kJ. What is the kinetic energy of the car and with how high efficiency does the car convert its kinetic energy into heat?
What is the Kinetic energy of the car?
Ek = 1
kJ
What is the Efficiency of energy conversione?
%
n
η 1
=
Insert only 3 most significant digits of your answer without rounding.
Quantity
Input instruction
Unit
kg
Mass of the car
m
km
Velocity of the car
h
Kinetic energy of the car
Ex
kJ
Heat generated in braking
Q
kJ
Efficiency of energy conversione n
%
Symbol
m
v
V
E_k
Q
eta
Transcribed Image Text:Let us observe a car with a mass of m = 8.2300 × 10² kg and driving v = 180 km. If we observe the amount of heat resulting from full breaking, it is Q = 5.4523 × 10² kJ. What is the kinetic energy of the car and with how high efficiency does the car convert its kinetic energy into heat? What is the Kinetic energy of the car? Ek = 1 kJ What is the Efficiency of energy conversione? % n η 1 = Insert only 3 most significant digits of your answer without rounding. Quantity Input instruction Unit kg Mass of the car m km Velocity of the car h Kinetic energy of the car Ex kJ Heat generated in braking Q kJ Efficiency of energy conversione n % Symbol m v V E_k Q eta
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