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23 Nov 2019

A constant force of 20 N is applied to an object of mass 8.0 kgat an angle of 25 degrees with the horizontal direction causing adisplacement of 2.0 m along the horizontal direction

A) what is the work done by this force on the object?

B) if this took 10 seconds, how much power was expended?

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Irving Heathcote
Irving HeathcoteLv2
28 Apr 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A constant force of 20 N is applied to an object of mass 8.0 kg atan angle of 25 degrees with the horizontal direction

A) what is the work done by this force on the object?

B) if this took 10 seconds, how much power was expended?

1) A constant force of 20N is applied to an object of mass 8kgat an angle of 25 degrees with the horizontal, causing adisplacement of 2m along the horizontal direction.
a) what is the work done by this force on the object?
b) if this took 10s how much power was expended?

2) A spring with a spring constant of 25 N/m is placed on ahorizontal frictionless surface and a mass of 1kg is pushed againstit. As a result, the spring is compressed by 20cm. This mass isthen released.
a) What is the amount of potential energy acquired by the springwhen it is
compressed?
b) What is the kinetic energy of the mass after the mass isreleased and it is no
longer in contact with the spring?
c) What is the velocity of the mass as it leaves contact with thespring?

A 5.0kg object is pulled along a horizontal surface at a constant speed by a force of 15N acting 20 degrees above the horizontal. How much work is done by this force as the object moves 6.0m?

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