Use the following formula to solve: A 700-kg vehicle is traveling at a speed of 6 m/s. How much kinetic energy does it have?
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12,600 J
50,400 J
700 J
The formula to calculate kinetic energy is:
Kinetic energy = 1/2 * mass * velocity^2
Given:
Mass = 700 kg
Velocity = 6 m/s
Substituting these values into the formula:
Kinetic energy = 1/2 * 700 kg * (6 m/s)^2
Calculating:
Kinetic energy = 1/2 * 700 kg * 36 m^2/s^2
= 18,900 kg m^2/s^2
Therefore, the vehicle has 18,900 Joules (J) of kinetic energy.
Answer: 18,900 J
To find the kinetic energy of the vehicle, we can use the formula:
Kinetic energy = 1/2 * mass * velocity^2
Given:
Mass (m) = 700 kg
Velocity (v) = 6 m/s
Now we can substitute these values into the formula:
Kinetic energy = 1/2 * 700 kg * (6 m/s)^2
= 1/2 * 700 kg * 36 m^2/s^2
= 1/2 * 25,200 kgā
m^2/s^2
= 12,600 J
Therefore, the vehicle has 12,600 joules of kinetic energy. So, the correct answer is 12,600 J.
To find the kinetic energy of the vehicle, we can use the formula:
Kinetic Energy = 0.5 * mass * velocity^2
Given:
Mass of the vehicle (m) = 700 kg
Velocity of the vehicle (v) = 6 m/s
Substituting the values into the formula, we get:
Kinetic Energy = 0.5 * 700 kg * (6 m/s)^2
Calculating the value within the parentheses first:
(6 m/s)^2 = 36 m^2/s^2
Now, substituting the value into the equation:
Kinetic Energy = 0.5 * 700 kg * 36 m^2/s^2
Calculating further:
Kinetic Energy = 0.5 * 700 kg * 36 m^2/s^2
= 18 * 700 kg * m^2/s^2
= 12,600 kg * m^2/s^2
Therefore, the kinetic energy of the vehicle is 12,600 Joules (J).
Hence, the correct answer is 12,600 J.