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Marysya12 [62]
2 years ago
5

If the mass of an object is 14 lbm, what is its weight, in lbf, at a location where g = 32.0 ft/s2?

Physics
1 answer:
mixas84 [53]2 years ago
3 0

Using the formula:

w = m x g ....... eq1

here w is weight of the object.

m is mass of the object, and

g is the acceleration of gravity.

mass, m = 14 lbm (given)

acceleration of gravity, g= 32.0 ft/s^{2}

Now, substituting the values in equation (1):

w = 14lbm x 32.0 ft/s^{2} = 448 lbm ft/s^{2}

since, 1 lbf = 32.174 lbm ft/s^{2}

so, w = 448 x \frac{1}{32.174}

w = 13.924lbf

Hence, the mass of an object is 13.924 lbf.

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Complete Question:

Football player A has a mass of 110 kg, and he is running down the field with a velocity of 2 m/s. Football player B has a mass of 120 kg and is stationary. What is the total momentum after the collision?

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Explanation:

<u>Given the following data;</u>

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To find the total momentum;

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a. To find the momentum of A;

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b. To find the momentum of B;

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c. To find the total momentum of the two persons;

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Substituting into the equation, we have;

Total \; momentum = 220 + 0

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An object is dropped from a platform 100 feet high. Ignoring wind resistance, what will its speed be when it reaches the ground?
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