A 92.5 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.65 rad/s. A monkey drops a 8.41 kg bunch of bananas vertically onto the platform. They hit the platform at of its radius from the center, adhere to it there, and continue to rotate with it. Then the monkey, with a mass of 21.3 kg, drops vertically to the edge of the platform, grasps it, and continues to rotate with the platform. Model the platform as a disk of radius 1.75 m. Find the angular speed w of the platform with its load. @= rad/s
Q: Determine the magnitude of the angular momentum of a 100-kg particle when the position vector r =…
A: mass of particle = 100 kg position vector = 4i^ - 6j^ mvelocity = 3i^ - 8k^ m/s
Q: When some stars use up their fuel, they undergo a catastrophic explosion called a supernova. This…
A: The moment of inertia of a sphere having radius R.
Q: A person of mass 70 kg stands at the center of a rotating merry-go-round platform of radius 3.3 m…
A:
Q: A 10 kg solid sphere of radius 20cm is initially placed 5m above the ground on top of a 45 degree…
A: Given Mass of the sphere is m=10 kg Radius of the sphere is r=20 cm=0.20 m Height of the sphere…
Q: Problem: A 2.0 kg turntable with a 20 cm diameter spins at 100 rpm (ignore friction in the axle),…
A: (A) The figure shows the pictorial representation of the turntable.
Q: Three children are riding on the edge of a merry‑go‑round that has a mass of 105 kg and a radius of…
A:
Q: A disk (mass M, radius R) is spinning clockwise at an angular speed 10 rad/s when a second, smaller…
A:
Q: A 86.3 kg horizontal circular platform rotates freely with no friction about its center at an…
A: Angular velocity of plateform with its load is W = 1.126 rad/sec
Q: A right-handed golfer with an arm length of 70 cm, swings a 120 cm, .75 kg golf club for .5 seconds…
A: Given: Arm length of golfer length of golf club Mass of golf club Time Angular acceleration…
Q: To kick a football, the kicker rotates his leg about the hip joint. If the velocity of the the…
A: v = 34.3 m/sd = 1.15 m a)angular velocity = v/d = 34.3/1.15 = 29.83 rad/sec
Q: A particle with mass = 20 kg is initially at the center of a disk that has mass = 80 kg , radius r=…
A: Given data The mass of the disk is md=80 kg The mass of the particle is mp=20 kg The radius of the…
Q: Zorch, an archenemy of Superman, decides to slow Earth's rotation to once per 29 h exerting a force…
A: It is an easy question. Now first thing we have to do is to convert time period to angular velocity…
Q: A girl of mass 35.2 kg stands on the rim of a frictionless merry-go-round of radius 0.949 m and…
A: Given: The mass of the girl is 35.2 kg. The radius of the merry-go-round is 0.949 m. The moment of…
Q: A 43 kg boy is seated at the edge of a 5.0 m diameter merry go round. The merry-go-round disc has a…
A: mass of boy, m = 43 kg mass of disc, M = 90kg radius, R = 2.5 m Angular velocity, w = 18 rpm…
Q: A child is 80kg and starts running at 2m/s. He then jumps on a merry-go-round that has a radius of…
A:
Q: You observe a 2 kg sphere with a position of 7 = (5i + 2j – 3k)m and a velocity of i = (2i + 5k) m/s…
A: Given data, Sphere mass m= 2kg Position r = 5i+2j-3k Velocity v= 2i + 5k And now we find angular…
Q: A sanding disk with rotational inertia 0.0012 kg-m² is attached to an electric drill whose motor…
A:
Q: What is the magnitude of angular momentum (in 106 kg.m²/s) of the F-16 at time = 2 s. Assume the…
A: Moment of Inertia The moment of inertia of a rigid body about an axis is defined as the sum of the…
Q: A 31.9-kg boy stands on the edge of a merry-go-round of mass 166 kg and radius 1.62 m which is at…
A: Given: m=31.9 kgM=166kgr=1.62 mI=177 kg m2mb=1.45 kgvx=12.0 m/sϕ=37.0°
Q: in a playground and runs with an initial speed of 4.2 m/s along a path tangent to the rim of a…
A: Given Mass of child, m=35 kgInitial speed of child, v=4.2 m/sRadius of merry-go-round, r=1.8 mMoment…
Q: A 87.1 kg horizontal circular platform rotates freely with no friction about its center at an…
A: Given data: The mass of disk is M=87.1 kg. The initial angular velocity is ωi=1.59 rad/s. The mass…
Q: A 98.3 kg horizontal circular platform rotates freely with no friction about its center at an…
A:
Q: A hamster is sprinting around a circular track. It is sprinting at a speed of 4 meters per second.…
A: Write the given values with the suitable variables. v=4 m/sm=1.2 kgr=234 m Here, v is the speed, m…
Q: The four particles shown below are connected by rigid rods of negligible mass where y, = 6.50 m. The…
A: (a) The distance of the mass 2 kg from the origin O is, r1=2.0 m2+3.25 m2=3.82 m The distances of…
Q: Two girls ?1 = 21.0 kg and ?2 = 29.0 kg are standing 1.00 m away from the center of a rotation…
A: Given: mass of first girl, m1 = 21 kg mass of second girl, m2 = 29 kg mass of disc, M = 350 kg…
Q: In lacrosse, a ball is thrown from a net on the end of a stick by rotating the stick and forearm…
A: Angular velocity (ω) = 32 rad/sDistance of ball from elbow joint (d) = 1.25 m
Q: 88.3 kg88.3 kg horizontal circular platform rotates freely with no friction about its center at an…
A: mass of disc = M = 88.3 kg radius = r = 1.65 m mass of bananas = m1 = 9.71 kg distance of bananas =…
Q: A lawnmower blade has a length of 0.75 m and a mass of 1.5 kg. The blade rotates around its center…
A: Given: M = 1.5 kgL = 0.75 mω=500 rev/mm = 0.25 kg
Q: 7. A 0.25 kg bullet is fired with a velocity of 200 m/s into two spheres mounted on a shaft with a…
A: The bullet has mass, m1=0.25 kgThe spheres, each have a mass, m2=0.8 kg After hitting one of the…
Q: After all the metal has unwound from the roller, the student measures the radius R and the angular…
A: Part (f) Basic Details According to the law of conservation of linear momentum, the momentum of the…
Q: A 97.9 kg97.9 kg horizontal circular platform rotates freely with no friction about its center at an…
A:
Q: 3.0 kg particle moves in a circle of radius 2.0 m with an angular momentum of 30.0 kg⋅m2/s. What is…
A:
Unlock instant AI solutions
Tap the button
to generate a solution
Click the button to generate
a solution
- A 95.5 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.75 rad/s. A monkey drops a 8.65 kg bunch of bananas vertically onto the platform. They hit the platform at of its radius from the center, adhere to it there, and continue to rotate with it. Then the monkey, with a mass of 22.1 kg, drops vertically to the edge of the platform, grasps it, and continues to rotate with the platform. Find the angular velocity of the platform with its load. Model the platform as a disk of radius 1.79 m. angular velocity: rad/s about us careers privacy policy terms of use contact us helpA 87.5 kg horizontal circular platform rotates freely with no friction about its center at an iñitial angular velocity of 1.53 rad/s. A monkey drops a 8.75 kg bunch of bananas vertically onto the platform. They hit the platform at of its radius from the center, adhere to it there, and continue to rotate with it. Then the monkey, with a mass of 21.1 kg, drops vertically to the edge of the platform, grasps it, and continues to rotate with the platform. Find the angular velocity of the platform with its load. Model the platform as a disk of radius 1.55 m. angular velocity: rad/sA 89.9 kg horizontal circular platform rotates freely with no friction about its center at an initial angular velocity of 1.61 rad/s. A monkey drops a 9.19 kg bunch of bananas vertically onto the platform. They hit the platform at 45 of its radius from the center, adhere to it there, and continue to rotate with it. Then the monkey, with a mass of 20.7 kg, drops vertically to the edge of the platform, grasps it, and continues to rotate with the platform. Find the angular velocity of the platform with its load. Model the platform as a disk of radius 1.57 m.
- To kick a football, the kicker rotates his leg about the hip joint. If the velocity of the the kicker's shoe is 37.5 m/s and the hip joint is 1.21 m from the tip of the shoe, what is the shoe tip's angular velocity? The shoe is in contact with the initially nearly stationary 0.500 kg football for 20.0 ms. What average force is exerted on the football to give it a velocity of 19.7 m/s? Find the maximum range of the football, neglecting air resistance.A weather vane initially at rest has a moment of inertia of 0.123 kg · m2 about its axis of rotation. A 57.0 g piece of clay is thrown at the vane and sticks to it at a point 24.5 cm from the axis. The initial velocity of the clay is 23.0 m/s, directed perpendicular to the vane. Find the angular velocity of the weather vane just after it is struck. please solveA physics 70 kg professor stands at the center of a frictionless turntable with arms outstretched (the length of each arm is 1.2 m) and a 2 kg dumbbell in each hand. He is set rotating about the vertical axis at 2.5 rad/s. Calculate the angular velocity if he pulls the dumbbells into his stomach (assume that both dumbbells are over the axis of rotation). Moment of intertia was not given
- A 10 kg particle moves in the xy plane with a velocity of v = (3.2 î-6.1 ) m/s. Determine the angular momentum of the particle when its position vector is 7 =(3 i +2.2 j) m. %3D O a:(-253.4k) kg.m2/s Ob:(+253.4 k) kg.m²/s OC(-25.34 k) kg.m²/s d(+25.34 k) kg.m²/sA woman with mass 50 kg is standing on the rim of a large disk that is rotating at 0.50 rev/s about an axis through its center. The disk has mass 110 kg and radius 4.0 m. Calculate the magnitude of the total angular momentum of the woman-disk system. (Assume that you can treat the woman as a point.)A disc (thin cylinder) of mass 0.05 kg and radius 0.65 m is rotating on a frictionless axle at a constant rate of 77 RPM. What a the angular velocity and angular momentum of the disc? の = rad/s L = kg-m2 A second disc of 0.02 kg and 0.23 m is dropped down the axle on top. The two then rotate together. What is the final angular velocity and RPM of the system of discs? rad/s RPM = RPM