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Question 5

Calculate the kinetic energy of a car (m - 800 kg) moving at 15 m/s. Write your answer to the nearest whole number in the blank space
provided. Only write the numerical value of the answer without units. Do not leave any space in between numbers.
Answer: Joules

1 Answer

5 votes

Answer:

90,000

Step-by-step explanation:


m =800kg\\v = 15\\\\K.E = (1)/(2)mv^2\\ K.E= (1)/(2) * 800* 15^2\\= 400 * 225\\= 90000 joules\\= 90 kilojoules

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