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with good explanantion 31 A solid cube of side 2a and mass M is sliding on...
64. A solid cube of wood of side 2a and mass M is resting on a
horizontal surface. The cube is constrained to rotate about a fixed
axis AB (Fig. P11.64). A bullet of mass m and speed v is shot at
the face opposite ABCD at a height of 4a/3. The bullet becomes
embedded in the cube. Find the minimum value of v required to tip
the cube so that it falls on face ABCD. Assume m ,, M.
answer all parts
Figure 3: A rotating shaft with the welded homogeneous solid cube of mass m with the size of the edge 2a. 6. A weightless (light) shaft AB of length 6a has a homogeneous solid cube of mass m with the size of the edge equal to 2a welded to the shaft along the edge CD, see Figure 3. The system is supported by bearings at A and B and rotates about AB at 2 radians per second....
FORMULA SHEET Question 16 A solid plastic cube with uniform density (side length 0.5 m) of mass 100 kg is placed in a vat of fluid whose specific gravity is 1.2. What fraction of the cube's volume floats above the surface of the fluid? O C. 2/3 O 1.45
2. (15 pts) A uniform density flat solid square has a total mass M and side length L. It lies on a horizontal frictionless surface, as shown in the top view below. It is pivoted at one corner. Three forces, each of magnitude F, act on the square as shown. Pivot L A TOP VIEW: I----- What is the magnitude of the angular acceleration of the square while these forces act as shown? Put your answer in terms of only...
A cube with side length of L -0.5 m and mass of 500 kg is held by a rope in a tank filled with water (mass density 1000 kg/m"). If the atmospheric pressure is 10' Pa, determine: a. the magnitude and the direction of the total force acted on the top part of the cube, b. the buoyant force on the cube, c. the tension of the rope. nun in the 10-3 m Tone by the 5. A number of...
4) Figures 4A (side view) and 4B (overhead view) illustrates a uniform solid cylinder having mass M and radius R. The cylinder is positioned on a horizontal floor having sufficient friction to ensure that the cylinder can roll without slipping. The cylinder includes a mass-less yoke that is fixed to the symmetric axis of the cylinder and acts as a rolling friction-less pivot for the cylinder. An ideal spring having spring constant K is attached to the yoke at one...
4) Figures 4A (side view) and 4B (overhead view) illustrates a uniform solid cylinder having mass M and radius R. The cylinder is positioned on a horizontal floor having sufficient friction to ensure that the cylinder can roll without slipping. The cylinder includes a mass-less yoke that is fixed to the symmetric axis of the cylinder and acts as a rolling friction-less pivot for the cylinder. An ideal spring having spring constant K is attached to the yoke at one...
Question 13 (a) What does it mean to say that an object is dynamically balanced? How is this different to an object being statically balanced? [2 mark] b) A uniform solid cylinder of mass m- 2kg and diameter D 0.2m is resting against an inclined plane when it is struck by a 70g bullet. The cylinder is initially in contact with the plane at point A. The bullet was travelling horizontally at 350m/s and hits the cylinder at its midpoint....
A homogeneous cylinder with mass m_1 = 1000 kg and radius R = 0.05 m is suspended in a frictionless bearing through the center axis of the cylinder marked with A (see figure). The cylinder is in a vertical plane and the axis is horizontal. A rifle ball with the mass m_2 = 0.01 kg and the horizontal speed v vector are pushed into the cylinder and drill very fast to the edge as shown in the figure. Just after...
A solid, frictionless cylinder reel of mass M= 2.95 kg and radius R = 0.392 m is used to draw water from a well (see Figure (a)). A bucket of mass m= 1.82 kg is attached to a cord that is wrapped around the cylinder. (Indicate the direction with the sign of your answer.)(a) Find the tension T in the cord and acceleration a of the bucket. T = ??? N a = ?? m/s2 (b) If the bucket starts from...