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3 years ago

A cadillac escalade has a mass of 2 569.6 kg, if it accelerate at 4.65m/s2 what is the net force of the car

1 answer:

3 0

Force is equal to mass multiplied by acceleration, therefore
F=ma
m=2569.6 kg
a=4.65m/s^2
therefore F=2569.6*4.65=11948.6 (correct to 1 d.p.)

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3 years ago

Please help! the mass of an object is measured on a pan balance with a precision of 0.005 g and the recorded value of 128.01 g.

inysia [295]

Yes, these two objects have different masses.

<h3>How can we calculate that this statement is right ?</h3>

To calculate the precision of mass we are using the formula,

Precision(P) = $\frac{m_1}{m_1+\triangle m}$

Or, $\triangle$ m= $\frac{m_1}{P}$ -m₁

For the first case we are given,

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$\triangle$ m= $\frac{128.01}{0.005}$ -128.01

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For the second case we are given,

m₁= The recorded value of mass

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P= Precision of the mass

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$\triangle$ m= $\frac{0.13}{0.005}$ -0.13

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Therefore we can conclude that, these two objects have different masses.

Learn more about Mass:

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3 years ago

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3 years ago

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