A 55-kg box rests on a horizontal surface. The coefficient of static friction between the box and the surface is 0.30. A 140-N force is applied to the box. What is the frictional force on the box?
What will be an ideal response?
140 N
Physics & Space Science
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A. xf?xi. B. vf?vi. C. xav. D. vav. E. aav.
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An electron is moving at a speed of 2.1 × 10^6 m/s in the first Bohr orbit. Determine its de Broglie wavelength
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What is the temperature of 3.00 moles of an ideal gas at a pressure of 250 kPa held in a volume of 25.0 L?
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Physics & Space Science
An asteroid revolves around the Sun with a perihelion 0.5 AU and an aphelion of 7.5 AU. What is its period of revolution?
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Physics & Space Science