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- Show that the density of a 5-kg solid cylinder that is 10 cm tall with a radius of 3 cm is 17.7 g/cm3mass in a physics experiment, a metal bar is balanced on a fulcrum. A 5.0 kg. is placed on the bar, 45.0 cm from the fulcrum, and on the same side a 2.0 kq mass is placed an unmeasured distance away from the fulcrum. Another mass (12 kq) is placed on the other side of the fulcrum, 50.0 cm away. away How far fulcrum! is the 2.0 kg mass from the 45.0cm 50.0 cm 5.0kg 2.0kg 12 kgIts mass M1 slides on a 45degree oblique surface and its height is H, as shown. The mass is connected by a flexible rope, the mass of which is neglected over a small ball (neglect its mass) and connected to another mass M2 , its mass is equal to the mass of the mass hanging over the head, as shown in the figure below. The rope is long enough to be Height H / 2 The dimensions of the blocks and the reel are neglected compared to the height H The two masses were left free at time t = 0 a- At t> 0, find the vertical acceleration of the M2 block? b-Which of the two blocks will move down? Calculate the time t1 that will hit the Earth? c- If the block in the previous paragraph stopped when it hit the ground, but the other block continued to move, explain whether it will hit the pulley or not and why?
- How close to the edge of the 29.0 kg table shown in (Figure 1) can a 74.0-kg person sit without tipping it over?The bar is 10 m long. A mass of a 40 kg placed at a 9m from left end of bar. Where should a 60kg mass be placed to balance the bar?Rank, from largest to smallest, the mass mm needed to keep the board from tipping over.