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valkas [14]
3 years ago
9

I've been stuck on this for I little bit now and could use some help:)

Biology
1 answer:
lana [24]3 years ago
3 0

The answer would be:

6,250 joules

Here's how to do it:

KE = \frac{1}{2}mv^{2}

KE = kinetic energy (joules)

m = mass (kg)

v = velocity (m/s)

So with that formula let's figure out what was given to you.

500 kg and 5m/s

You know which is which based on the unit.

m = 500kg

v = 5m/s

Now all you need to do is plug it into your formula and solve.

KE=\frac{1}{2}mv^{2}

KE= \frac{1}{2}(500kg)(5m/s)^{2}

KE = \frac{1}{2}(500kg)(25m^{2/}s^{2})

KE = \frac{1}{2}(12,500kg\cdot m^{2}/s^2})

KE = 6,250kg\cdot m^{2}/s^{2}

The unit kg\cdot m^{2}/s^{2} also means joules

So the final answer is 6,250 joules.

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