Ex. The kinetic energy of a uniformly rotating disc is 31.56 J. Calculate its M.I. if it performs 120 rotations per minute.
Q: Give a detailed solution in Handwritten format,Do not copy any wrong solutions.
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Q: Convert 220 rad into revolutions (rev). Give the result in the nearest whole number.
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Q: A thin, 200 gg disk with a diameter of 8.00 cmcm rotates about an axis through its center with 0.15…
A: Mass, m = 200 g = 0.2 kg Diameter, d = 8 cm = 0.08 m Radius, r = d/2 = 0.04 m Kinetic energy, K =…
Q: ect must be at rest. 4.
A: Given: To describe the motion of an object is given as,
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Q: A cooling fan is turned off when it is running at 860 rev/min . It turns 1400 revolutions before it…
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Q: A record turntable starts from rest and then spins up to 33.3 rpm’s. A beetle lands on the record…
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Q: 3. This is a variation of a problem that we worked on previously. Pulley: uniform disk with mass M =…
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Q: Sphere has mass of 10kg and radius of 10cm It’s spinning at 30 rads a second. It stops in 60 seconds…
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Q: A ball is held at rest at the top of a hill. The ball is then released and starts rolling down the…
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Q: 6. If a point on a wheel turns through 45° in 0.050s, what is its angular speed in rad/s?
A: Given Data The angular displacement is ∆θ=45°. The time is ∆t=0.050 s. To find: Angular speed in…
Q: Consider a 150g puck on a string moving in a 1m radius circle on an air hockey table (no friction)…
A: Solution:
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A: Given,
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Q: Problem 3: Starting from rest, a Soap Box Derby racer rolls without sliding down a frictionless…
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A: Given data: Two unit vectors Angle (θ) = 1.1 rad Required: The dot product of the these unit…
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Q: A rod of length Lis held upright and pivoted on the floor and then dropped. Find the speed of the…
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Q: 9.0 kg 1.0 m 1.2 kg 2.0 m 2.5 kg
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Q: 1. In the figure below, m may be treated as a particle. The linear mass density of the rod is a…
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Q: A rod of length 1.21 m and mass 4.3 kg can freely rotate around uppermost point (see Fig). A bullet…
A: According to question--- Given data-- length of road L = 1.21 m. mass of road = 4.3 kg. mass of…
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A: Given data, Mass of each-princess = 55 kg New distance between then = 1 m Linear speed of…
Q: An object completes 0.5 revolution in half a minute. What is its approximate angular velocity?…
A: Answer:- (c) 0.10 rad/s Given Frequency(f) = 0.5 revolution in half a minute f = 0.5 rev/30sec…
Q: 4) hill climb At the mountain race on the Oberjoch in the Allgäu, the 1200 kg cars drive up a slope…
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Q: what is the angular speed of seconds hand of a clock . a. 0.972 rad/s b. 0.105 rad/s c. 0.322…
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A: To find-Kinetic energy=?Given-n=60 rpm=6060=1 rpsM=5 kgR=1 m
Q: B 4. It is known that the connecting rod AB exerts on the crank BC a 500-lb force directed down and…
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Q: An object is rolling, so its motion has rotation and translation. Let K = the object's tranlational…
A: Option (D) Emec=K+KR+U
Q: Q/the earth rotates around itself one cycle 2n in 24h,and the radius of the earth is 6000 km. the…
A: Given:Radius, R = 6000 km = 6000×103 mθ = 2π∆t = 24 hrs = 24×60×60 =86400 s
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A: Given: Moment of inertia, I=0.0352 kg.m2Radius of pulley, r=12.5 cm=0.125 mConstant force, F=5.00…
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A: The offered question is from the rotational motion chapter, and it asks us to calculate the kinetic…
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A: We know the formula of the kinetic energy is given as K.E = 12mv2 ----- eq 1 The kinetic energy…
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