Which measure would not be useful to help you determine the change in angular velocity when the torque on a fishing reel is increased? the time it takes the line to unspool the amount of line that unspools the angular momentum of the fishing line the radius of the reel

Q: You often hold your hands away from you to keep from tipping over. This is because:

A: b)  You’re decreasing your rotational inertia.

Q: In outer space two identical space modules are joined together by a massless cable. These modules…

A:

Q: Modern wind turbines generate electricity from wind power. The large, massive blades have a large…

A: Given : m = 5500 kg r = 43 m f = 11 rpm

Q: A carnival merry-go-round has a large disk-shaped platform of mass 120 kg that can rotate about a…

A:

Q: A 2 kg ball with a radius of 0.35 meters is initially at rest. The rotational inertia equation for…

A: We know that Torque= Ta=Fr

Q: A disk rotates about its central axis starting from rest and accelerates with constant angular…

A: According to question we need to find --- (a) Calculate the angular acceleration. (b) Calculate the…

Q: A merry-go-round is a common piece of playground equipment. A 3.0-m-diameter merry-go-round, which…

A:

Q: A woman with mass 50 kg is standing on the rim of a large disk that is rotating at 0.50 rev/s about…

A: Mass of woman, mw = 50 kgAngular speed, ω = 0.5 rev/s = π radsMass of disk, md = 110 kgRadius of…

Q: Modern wind turbines generate electricity from wind power. The large, massive blades have a large…

A: Given that:- Mass of each blade=M=5500kg

Q: Modern wind turbines generate electricity from wind power. The large, massive blades have a large…

A: a) The total moment of inertia of the wind turbine about its axis is Itotal=313mR2=mR2=5500 kg43…

Q: Use conservation of energy to determine the angular speed of the spool shown in the figure below…

A: Mass of bucket = m = 3 kg h = 4.60 m Mass of spool = M = 5 kg r = 0.600 m ω = ?

Q: A boy sits on a rotating seat while holding a pair of objects as shown in the figure below. The seat…

A: According to the given question,  A boy sits on the rotating seat, the inertia of the boy is,  I1 =…

Q: A revolving stage is used in a talent show. It has a circular disk shape and rotates without…

A: Mass of the stage,  Diameter of the stage,  Mass of the singer,  Initial angular speed,  Final…

Q: Two children (m = 26.0 kg each) stand opposite each other on the edge of a merry-go-round. The…

A:

Q: A wrench 0.4 meters long lies along the positive y-axis, and grips a bolt at the origin. A force is…

A:

Q: Consider ACB as two segments (AC & CB) and each have a weight of 16 lb. If part DE is suddenly…

A:

Q: The figure shows a jet engine suspended beneath the wing of an airplane. The weight  of the engine…

A: Weight = 12300N  Thrust = 67800 N

Q: Two children (m = 34.0 kg each) stand opposite each other on the edge of a merry-go-round. The…

A: Given : m = 172 kg r = 1.6 m mchild=34 kg

Q: A solid sphere, shown in Figure 3, has radius R = 0.25 m and mass M = 20 kg. The line AB passes…

A:

Q: A popular abdominal exercise is called the "Scissor Abs".  Logan has completed 35 full lifts with…

A: Length of Leg, L =0.95 m. According to law of conservation of energy, the potential energy with…

Q: The engine of an airplane drives a propeller with 2.25 m in length and a mass of 90 kg. If the…

A: The torque is a vector quantity that is defined as the rate of change in angular momentum. Its…

Q: A combination lock has a 1.0-cm-diameter knob that is part of the dial you turn to unlock the lock.…

A: The diameter of the knob, d = 1.0 cm The radius of the knob, r = d/2 = 0.5 cm = 0.5 × 10-2 m = 5.0 ×…

Q: A medical saw is rotating at a constant rate of 15 revolutions per second. Calculate its angular…

A: Given data:   Angular speed (ω) = 15 revolution per second Required: Angular speed in rad/s

Q: A disk initially at rest is fixed to a vertical axis of rotation and a 40 kg child is standing on…

A:

Q: skateboard wheel is rolling so that it takes .3 seconds to complete one rotation. The wheel has a…

A: skateboard wheel is rolling so that it takes .3 seconds to complete one rotation. The wheel has a…

Q: The figure shows a jet engine suspended beneath the wing of an airplane. The weight of the engine is…

A:

Q: The free body diagram below represents a 1 500 kg car sitting on a 3 000 kg bridge supported at its…

A: Required ::  Identify the one error in the torque equation.

Q: When a pitcher throws a baseball, the rotational speed is important when it comes to making the ball…

A:

Q: While working as an intern in a blacksmith's shop, you realize that the brake on the sharpening…

A: Write a given values of this question.…

Q: You sat on the right end of the seesaw. No one is sitting on the other end, thus the system rotates…

A:

Q: A pirate demands that his 75 kg prisoner “walk the plank”. The prisoner walks out on an 8.0 m long,…

A:

Q: A wheel with thin spokes can be considered a hoop, where I=mr. A bicycle wheel has a mass of .35 kg…

A:

Q: A deep-sea fisherman hooks a big fish that swims away from the boat, pulling the fishing line from…

A:

Q: Consider the father pushing a playground merry-go-round. He exerts a force of 400 N at the edge of…

A: Given Data : The force exerted by the father is given as F = 400 N. The weight of the merry-go-round…

Q: Modern wind turbines generate electricity from wind power. The large, massive blades have a large…

A:

Q: An ice skater rotates about its own axis with angular velocity omega. He holds two weights in his…

A: The moment of inertia (I) of a body is its rotational mass. It is calculated as the product of the…

Q: Modern wind turbines generate electricity from wind power. The large, massive blades have a large…

A:

Q: A disk initially at rest is fixed to a vertical axis of rotation and a 40 kg child is standing on…

A: Mass of child (m) = 40 kg distance of child from axis of rotation (d) = 0.5 m Rotational inertia of…

Q: a. Use only energy considerations and the fact that the log does not slip as it rolls to determine…

A: a) According to Conservation of energy  mgh= 12mv2+12I ω2 The rotational inertia of the log is given…

Q: An ice skater performs a pirouette (a fast spin) by pulling in his outstretched arms close to his…

A: Given : An ice skater performs a pirouette (a fast spin) by pulling in his outstretched arms close…

Q: A merry-go-round with a radius of 2.2m rotates 10.0 times every 5.00s. The merry go round has a mass…

A: Angular momentum is given by  L=Iω I=mr2

Q: The figure shows a jet engine suspended beneath the wing of an airplane. The weight  of the engine…

A: Torque is a measure of force which causes rotation of an object about an axis. Given: Weight of the…

Q: Two children hang by their hands from the same tree branch. The branch is straight, and grows out…

A:

Q: 4. A dancer on ice spins faster when she folds her arms. This is due to A an increase in kinetic…

A: Concept Torque =Rate of change of angular momentumτ =dLdtIf no external torque is applied τ =0dLdt…