3 years ago

An unbalanced force of 15 N is applied to a 13 kg mass. What is the acceleration of the mass?

Physics

1 answer:

Alex787 [66]3 years ago

4 0

Answer:

1.15m/s2

Explanation:

accerelation =force÷mass

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Answer

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2 years ago

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Answer:

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2 years ago

A box slides down a ramp inclined at 24◦ to the horizontal with an acceleration of 1.7 m/s 2 . The acceleration of gravity is 9.

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Answer:

Explanation:

In friction, the coefficient of friction formula is expressed as;

$\mu = \frac{F_f}{R}$

Ff is the frictional force = Wsinθ

R is the reaction = Wcosθ

Substitute inti the equation;

$\mu = \frac{Wsin \theta}{W cos\theta} \\\mu = \frac{sin \theta}{cos\theta} \\\mu = tan \theta$

Given

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3 years ago

A string under a tension of 68 N is used to whirl a rock in a horizontal circle of radius 3.7 m at a speed of 16.53 m/s. The str

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Answer:

$F = 5253.7 N$

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As we know that tension force in the string will be equal to the centripetal force on the string

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now we have

$68 = \frac{m(16.53^2)}{3.7}$

now we have

$68 = 73.8 m$

$m = 0.92 kg$

now when string length is 0.896 m and its speed is 71.5 m/s then we will have

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$F = \frac{0.92(71.5^2)}{0.896}$

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