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(a) A uniform bar BC with one end, B, on the ground has a mass of...
A ball of mass M, moving with speed V, strikes the end of a motionless, uniform...
A ball of mass M, moving with speed V, strikes the end of a motionless, uniform stick of mass Mand length L, fixed at pivot point P. After the collision, the stick is rotating about the pivot point P as shown, and the ball rebounds with speed V/3. The moment of inertia of the stick about Pis (ML2/3. The angular speed w of the stick is: Initial P Final L M MV VV O 4V/L OV/L O2V/L OV
A uniform slender bar AB of mass m has two light pegs A and B which...
A uniform slender bar AB of mass m has two light pegs A and B
which are constrained to move in the frictionless circular slot
with center O in the vertical plane. At the position depicted, the
bar is released from rest. Find the bar's initial angular
acceleration when the bar is released in terms of appropriate given
quantities. The pegs each contact only one side of the slot at a
given time.
5. A half section of a uniform thin pipe of mass m 2 kg is at...
5. A half section of a uniform thin pipe of mass m 2 kg is at rest when a force P 40 N is applied at point A as shown. The static and kinetic friction coefficients are μ': 0.15 and μ"01, respectively. Determine (a) the angular acceleration, and (b) the magnitude and direction of the friction force between the thin pipe and the horizontal plane. The distance between the geometric center O and mass center G of the thin pipe...
A uniform rod with a mass m and length L has one end attached to a...
A uniform rod with a mass m and length L has one end attached to a pivot. The rod swings around on a frictionless horizontal table with angular speed wo. A ball with mass m (so same mass as the rod) is placed on the table a distance d from the pivot. The ball is made of clay so when the rod strikes it, the ball sticks to the rod (i.e., inelastic collision). If the final (post-collision) angular velocity of...
Problem 3: A merry-go-round can be considered a uniform disk of mass 145 kg and radius...
Problem 3: A merry-go-round can be considered a uniform disk of mass 145 kg and radius 2.10 m free to rotate about a frictionless axis through its center. A 40.0 kg child stands at the edge and the system is initially rotating at 0.300 rad/sec. The child begins to walk around the edge of the merry-go-round with a velocity of 0.250 m/s relative to the ground in the direction of the rotation. What is the angular velocity of the merry-go-round...
Q21 (15 points): A uniform rod of mass m 1.5 kg and length d- 2.0 m...
Q21 (15 points): A uniform rod of mass m 1.5 kg and length d- 2.0 m is supported by a pivot point P at its top and is free to rotate iın the vertical plane. A block of mass m2 0.8 kg is attached to the other end of the rod. The rod-block system is initially at rest, and a 1g bullet is fired horizontally into the rod through a point x 08 d below the pivot P Assume that...
The uniform bar of mass m and length L is balanced in the vertical position when...
The uniform bar of mass m and length L is balanced in the vertical position when the horizontal force P is applied to the roller at A. Determine the bar's ntal angular acceleration and the acceleration of its top point B.
genuinely have no idea how to approach this question ! (5 pts) You shoot a bullet at a vertical target that is a uniform mass M and moment of inertia l (1/2)MR. The target is free to rotate withou...
genuinely have no idea how to approach this question !
(5 pts) You shoot a bullet at a vertical target that is a uniform mass M and moment of inertia l (1/2)MR. The target is free to rotate without friction about the hanging point P that is at the edge of the target as shown. Bullet has mass m, very small radius comparing to the target and moment of inertia le. Bullet is spinning about the line of travel at...
A uniform beam resting on two pivots has a length L=6.00m and mass M =88.9kg. One...
A uniform beam resting on two pivots has a length L=6.00m and mass M =88.9kg. One pivot supports the left end of the beam and the second pivot is placed at distance ℓ=4.00m away from it. A woman of mass m=57.3KG steps onto the left end of the beam and begins walking to the right as in the figure below. Find the position x of the woman when the beam is about to tip. Define the origin (x=0) as the...
2) A uniform solid ball has a mass of 20 g and a radius of 5...
2) A uniform solid ball has a mass of 20 g and a radius of 5 cm. It rests on a horizontal surface. A sharp force is applied to the ball in the horizontal direction 9 cm above the surface. The force rises linearly from 0 to a peak value of 40,000 N in 10-4 s and then decreases linearly to in another 10-4 s. (The moment of inertia for a solid ball ismR2) a) What is the velocity of...
A ball of mass M, moving with speed V, strikes the end of a motionless, uniform stick of mass Mand length L, fixed at pivot point P. After the collision, the stick is rotating about the pivot point P as shown, and the ball rebounds with speed V/3. The moment of inertia of the stick about Pis (ML2/3. The angular speed w of the stick is: Initial P Final L M MV VV O 4V/L OV/L O2V/L OV
A uniform slender bar AB of mass m has two light pegs A and B
which are constrained to move in the frictionless circular slot
with center O in the vertical plane. At the position depicted, the
bar is released from rest. Find the bar's initial angular
acceleration when the bar is released in terms of appropriate given
quantities. The pegs each contact only one side of the slot at a
given time.
5. A half section of a uniform thin pipe of mass m 2 kg is at rest when a force P 40 N is applied at point A as shown. The static and kinetic friction coefficients are μ': 0.15 and μ"01, respectively. Determine (a) the angular acceleration, and (b) the magnitude and direction of the friction force between the thin pipe and the horizontal plane. The distance between the geometric center O and mass center G of the thin pipe...
A uniform rod with a mass m and length L has one end attached to a pivot. The rod swings around on a frictionless horizontal table with angular speed wo. A ball with mass m (so same mass as the rod) is placed on the table a distance d from the pivot. The ball is made of clay so when the rod strikes it, the ball sticks to the rod (i.e., inelastic collision). If the final (post-collision) angular velocity of...
Problem 3: A merry-go-round can be considered a uniform disk of mass 145 kg and radius 2.10 m free to rotate about a frictionless axis through its center. A 40.0 kg child stands at the edge and the system is initially rotating at 0.300 rad/sec. The child begins to walk around the edge of the merry-go-round with a velocity of 0.250 m/s relative to the ground in the direction of the rotation. What is the angular velocity of the merry-go-round...
Q21 (15 points): A uniform rod of mass m 1.5 kg and length d- 2.0 m is supported by a pivot point P at its top and is free to rotate iın the vertical plane. A block of mass m2 0.8 kg is attached to the other end of the rod. The rod-block system is initially at rest, and a 1g bullet is fired horizontally into the rod through a point x 08 d below the pivot P Assume that...
The uniform bar of mass m and length L is balanced in the vertical position when the horizontal force P is applied to the roller at A. Determine the bar's ntal angular acceleration and the acceleration of its top point B.
genuinely have no idea how to approach this question !
(5 pts) You shoot a bullet at a vertical target that is a uniform mass M and moment of inertia l (1/2)MR. The target is free to rotate without friction about the hanging point P that is at the edge of the target as shown. Bullet has mass m, very small radius comparing to the target and moment of inertia le. Bullet is spinning about the line of travel at...
2) A uniform solid ball has a mass of 20 g and a radius of 5 cm. It rests on a horizontal surface. A sharp force is applied to the ball in the horizontal direction 9 cm above the surface. The force rises linearly from 0 to a peak value of 40,000 N in 10-4 s and then decreases linearly to in another 10-4 s. (The moment of inertia for a solid ball ismR2) a) What is the velocity of...
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