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nalin [4]
3 years ago
10

Through slow on land the leather back turtle holds the record for the fastest water speed of any reptile. The largest leather ba

ck yet discovered could swim at a speed of 9. 78 m/s. If it's KE was 60, 800. 0J, what's the mass
Mathematics
1 answer:
andrew-mc [135]3 years ago
7 0

Answer: 1271.32 kg


Step-by-step explanation:

Given: The speed of turtle with largest leather back= 9.78 m/s

It's Kinetic energy = 60800 joules

We know that with mass 'm' and speed 'v', the formula kinetic energy is given by

K.E.=\frac{1}{2}mv^2\\\\\Rightarrow\ m=\frac{2K.E.}{v^2}\\\\\Rightarrow\ m=\frac{2\times60800}{(9.78)^2}\\\\\Rightarrow\ m=1271.322886\ kg

Hence, the mass of turtle= 1271.32 kg


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