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A uniform 8.25m , 1750 kg beam is hinged to a wall and supported by a thin cable attached 2.00m from the free end of the beam, as shown in the figure below (Figure 1) . The beam is supported at an angle of 30.0 degrees above the horizontal.
PARTA: Find the tensin in the cable.
PARTB: How hard does the beam push inward on the wall?
A 10-cm-diameter cylinder of helium gas is 20 cm long and at 20°C. The pressure gauge reads 120 psi. what is the mass of the helium
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A 1.10kg , horizontal, uniform tray is attached to a vertical ideal spring of force constant 190N/m and a 295g metal ball is in the tray. How fast is the ball moving just as it leaves the tray
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