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Question #1 : A 50-kg crate is tied at the top of a rough ramp with a horizontal rope. The ramp is inclinedat an angle of 25° above the horizontal, and has coefficients of friction μ,-0.4, μκ 0.2. Standing at thebottom of the ramp, 4 meters away from the crate, is Joe the dockworker.4 m25°(3)49Part A: Find the minimum tension in the rope.490 sin (25)- TC012 5-FeFco (23)Part B: If the rope breaks, find the amount of time that Joe has to move before the crate hits him.0.2 mg c23SF40 inj- 0.2 (40) cor 23

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Part  a was incorrect please show work and calculation tenision 

Question #1 : A 50-kg crate is tied at the top of a rough ramp with a horizontal rope. The ramp is inclined
at an angle of 25° above the horizontal, and has coefficients of friction μ,-0.4, μκ 0.2. Standing at the
bottom of the ramp, 4 meters away from the crate, is Joe the dockworker.
4 m
25°
(3)49
Part A: Find the minimum tension in the rope.
490 sin (25)- TC012 5-F
eF
co (23)
Part B: If the rope breaks, find the amount of time that Joe has to move before the crate hits him.
0.2 mg c23
SF
40 inj- 0.2 (40) cor 23
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Question #1 : A 50-kg crate is tied at the top of a rough ramp with a horizontal rope. The ramp is inclined at an angle of 25° above the horizontal, and has coefficients of friction μ,-0.4, μκ 0.2. Standing at the bottom of the ramp, 4 meters away from the crate, is Joe the dockworker. 4 m 25° (3)49 Part A: Find the minimum tension in the rope. 490 sin (25)- TC012 5-F eF co (23) Part B: If the rope breaks, find the amount of time that Joe has to move before the crate hits him. 0.2 mg c23 SF 40 inj- 0.2 (40) cor 23

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The equations of motion are –

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Step 2

Substituting the second equation in the fir...

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