How many times is the impulse of an armored personnel carrier on land greater than on water
| March 19, 2021 | education
How many times is the impulse of an armored personnel carrier on land greater than on water, if its speed on land is 22.5 m / s on water is 10 km / h?
To find the value of the ratio of the impulses of the considered armored personnel carrier on land and in water, we use the formula: k = Pc / Pv = (m * Vc) / (m * Vv) = Vc / Vv.
Variables: Vc – the speed of the considered armored personnel carrier on land (Vc = 22.5 m / s = 81 km / h); Vв – speed on the water (Vв = 10 km / h).
Let’s make a calculation: k = Vc / Vb = 81/10 = 8.1 p.
Answer: The momentum of the considered armored personnel carrier on land is 8.1 times greater.
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