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A man pushing a crate of mass m = 92.0 kg at a speed of v=0.870 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.360 and he exerts a constant horizontal force of 293 N on the crate. O (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. -27.3 x magnitude. The response you submitted has the wrong sign. N direction opposite as the motion of the crate ✓ (b) Find the net work done on the crate while it is on the rough surface. 34.0 X The response you submitted has the wrong sign. J (c) Find the speed of the crate when it reaches the end of the rough surface. 0.573 X

A man pushing a crate of mass m = 92.0 kg at a speed of v=0.870 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of kinetic friction between the crate and rough surface is 0.360 and he exerts a constant horizontal force of 293 N on the crate. O (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. -27.3 x magnitude. The response you submitted has the wrong sign. N direction opposite as the motion of the crate ✓ (b) Find the net work done on the crate while it is on the rough surface. 34.0 X The response you submitted has the wrong sign. J (c) Find the speed of the crate when it reaches the end of the rough surface. 0.573 X

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A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.870 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of v= kinetic friction between the crate and rough surface is 0.360 and he exerts a constant horizontal force of 293 N on the crate. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. -27.3 X magnitude The response you submitted has the wrong sign. N direction opposite as the motion of the crate ✔ (b) Find the net work done on the crate while it is on the rough surface. 34.0 X The response you submitted has the wrong sign. J (c) Find the speed of the crate when it reaches the end of the rough surface. 0.573 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s Need Help? Read It Watch It
Transcribed Image Text:A man pushing a crate of mass m = 92.0 kg at a speed of v = 0.870 m/s encounters a rough horizontal surface of length = 0.65 m as in the figure below. If the coefficient of v= kinetic friction between the crate and rough surface is 0.360 and he exerts a constant horizontal force of 293 N on the crate. (a) Find the magnitude and direction of the net force on the crate while it is on the rough surface. -27.3 X magnitude The response you submitted has the wrong sign. N direction opposite as the motion of the crate ✔ (b) Find the net work done on the crate while it is on the rough surface. 34.0 X The response you submitted has the wrong sign. J (c) Find the speed of the crate when it reaches the end of the rough surface. 0.573 x Your response is within 10% of the correct value. This may be due to roundoff error, or you could have a mistake in your calculation. Carry out all intermediate results to at least four-digit accuracy to minimize roundoff error. m/s Need Help? Read It Watch It
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