A 25 kg weight is swung in a horizontal circle with a tension of 1250 N in the cord holding it.
1 A 25 kg weight is swung in a horizontal circle with a tension of 1250 N in the cord holding it.
A) What is the centripetal acceleration?
B) What is the linear velocity if the radius is 135 cm?
C) What is the linear displacement traveled after 32 revolutions?
2 A thin spherical shell with a weight of 76 N and radius 0.8 m rotates for 14 minutes, starting at 60 rad/s. If it has an angular displacement of 88200 radians:
A) What is the final angular velocity?
B) What is the initial angular momentum?
C) What is the final angular momentum?
D) What is the angular acceleration?
E) What is the torque applied?
F) What is the kinetic energy at half the time?
3 An oscillator is drawn out to an initial displacement and reaches the second equilibrium point in 55 s.
A) What is the period of the oscillator?
B) If the velocity is 78 m/s, what is the initial displacement of the oscillator?
C) If the restoring force that started the motion is 60 N, what is the spring constant of the oscillator?
D) What is the maximum velocity?
E) What is the maximum acceleration?
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A 25 kg weight is swung in a horizontal circle with a tension of 1250 N in the cord holding it.
A thin spherical shell with a weight of 34 N and radius 0.57 m rotates for 31 minutes, starting at 12 rad/s.
A thin spherical shell with a weight of 34 N and radius 0.57 m rotates for 31 minutes, starting at 12 rad/s. If it has an angular displacement of 76260 radians:A) What is the final angular velocity B) What is the initial angular momentum C) What is the final angular momentum D) What is the angular acceleration E) What is the torque applied F) What is the kinetic energy at half the time
An oscillator is drawn out to an initial displacement and reaches the first equilibrium point in...
An oscillator is drawn out to an initial displacement and reaches the first equilibrium point in 43 s. A) What is the period of the oscillator? B) If the velocity is 78 m/s, what is the initial displacement of the oscillator? C) If the restoring force that started the motion is 20 N, what is the spring constant of the oscillator? D) What is the maximum velocity? E) What is the maximum acceleration?
3. An oscillator is drawn out to an initial displacement and reaches the first equilibrium point...
3. An oscillator is drawn out to an initial displacement and reaches the first equilibrium point in 65 s. A) What is the period of the oscillator? B) If the velocity is 44 m/s, what is the initial displacement of the oscillator? C) If the restoring force that started the motion is 43 N. what is the spring constant of the oscillator? D) What is the maximum velocity? E) What is the maximum acceleration?
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number 2 and 3 please
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Problem 17.64 Acord is wrapped around the outer surface of the 75 kg disk. A force of F-(46) N, where is in radians, is applied to the cord The disk has an initial angular velocity of = 1 rad/s. Figure 1) Part A Determine the disk's angular acceleration when it has turned 5 revolutions Express your answer using three significant figures. Enter positive value of the angular acceleration is counterclock acceleration is clockwise Figure < 1 of 1 ) A...
Question2 Answer the followings, carry 25 points L. State whether following properties are a vector or...
Question2 Answer the followings, carry 25 points L. State whether following properties are a vector or a scalari? Kinetic energy: Potential energy: Work done: Torque: Pressure: Displacement: Velocity: Momentum: Impulse: Force: Distance Speed: Angular momentum: Angular acceleration: 2. Given the situation as shown in the figure. The hollow sphere is rolling down an inclined plane! Mass of the sphere is M, radius is R and vertical height is H. V is the linear velocity of the center of mass, loe...
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037 CH 19.2 1 of 4> Principle of Impulse and Momentum Constants Part A - Angular velocity of the pulley Learning Goal The pulley shown (Figure 1) has a moment of inertia IA 0.900 kg m2, a radius r 0.300 m, and a mass of 20.0 kg A cylinder is attached to a cord that is wrapped around the pulley. Neglecting bearing friction and the cord's mass express the pulley's final angular velocity in terms of the magnitude of the...
An oscillator is drawn out to an initial displacement and reaches the first equilibrium point in 43 s. A) What is the period of the oscillator? B) If the velocity is 78 m/s, what is the initial displacement of the oscillator? C) If the restoring force that started the motion is 20 N, what is the spring constant of the oscillator? D) What is the maximum velocity? E) What is the maximum acceleration?
3. An oscillator is drawn out to an initial displacement and reaches the first equilibrium point in 65 s. A) What is the period of the oscillator? B) If the velocity is 44 m/s, what is the initial displacement of the oscillator? C) If the restoring force that started the motion is 43 N. what is the spring constant of the oscillator? D) What is the maximum velocity? E) What is the maximum acceleration?
5. A 14 inch (0.356 m) automobile tire on a car traveling at 60 mph has an angular velocity of 75.4 rad/s. a. If the car slows uniformly to an angular velocity of 18.7 rad/s (15 mph) in 10 s, what is the angular acceleration of this tire? b. What is the angular displacement of a point o is utangular displacement of a point on the rim durine this acceleration? Give your answer in radians and in revolutions. C. What...
A golf ball (50 g) hit by a club is accelerated from rest to 50 m/s in 2.50 ms. What are the magnitudes of the impulse delivered to the ball and the average force acting on the ball? Impulse = Average Force = A disk of radius 10.0 cm spins about an axis through its center at a constant 5.0 rad/s. What is the linear velocity, centripetal and tangential accelerations of a point on its rim? linear velocity = centripetal...
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Problem 17.64 Acord is wrapped around the outer surface of the 75 kg disk. A force of F-(46) N, where is in radians, is applied to the cord The disk has an initial angular velocity of = 1 rad/s. Figure 1) Part A Determine the disk's angular acceleration when it has turned 5 revolutions Express your answer using three significant figures. Enter positive value of the angular acceleration is counterclock acceleration is clockwise Figure < 1 of 1 ) A...
Question2 Answer the followings, carry 25 points L. State whether following properties are a vector or a scalari? Kinetic energy: Potential energy: Work done: Torque: Pressure: Displacement: Velocity: Momentum: Impulse: Force: Distance Speed: Angular momentum: Angular acceleration: 2. Given the situation as shown in the figure. The hollow sphere is rolling down an inclined plane! Mass of the sphere is M, radius is R and vertical height is H. V is the linear velocity of the center of mass, loe...
037 CH 19.2 1 of 4> Principle of Impulse and Momentum Constants Part A - Angular velocity of the pulley Learning Goal The pulley shown (Figure 1) has a moment of inertia IA 0.900 kg m2, a radius r 0.300 m, and a mass of 20.0 kg A cylinder is attached to a cord that is wrapped around the pulley. Neglecting bearing friction and the cord's mass express the pulley's final angular velocity in terms of the magnitude of the...
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