A centrifuge accelerates uniformly from rest to 13000 rpm in 180 s. A. Through how many revolutions did it turn in this time?

Q: QUESTION 8 When videotaping a performance for analysis, what features are NOT critical to observe at…

A: this question is about biomechanics.

Q: The diagram below shows a lever in use. A F L = 15 kgf (a) To which class of lever does it belong?…

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Q: Rank these speed measurements in increasing order from smallest (1) to greatest (5):   55.5 mi/h…

A: We have, 1 mi/h = (1609.344m)/(60×60s) = 0.447 m/s 1 km/h = (1000m)/(60×60s) = 0.278 m/s 1 cm/ms =…

Q: 1- Is Intensity an acoustic variable? A. True B. False

A: 1. yes ,intensity is acoustic variable.   ANS:True

Q: A 70.0 kg sled is pulled from rest by a snowmobile and accelerates at 2.2 m/s² [forward] for 7.5 s.…

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Q: Plot the magnitude of the resultant R of the three forces as a function of 0 for 0≤0≤ 360°. After…

A: Given. F1 = 69 NF2 = 118 NF3 = 90 Nϕ = 79°ψ = 29°

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Q: away and has a mass of 60. kg. 10 Find the resultant force on (a) the 0.100 kg mass and (b) the…

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Q: Two long, straight, parallel wires are shown in the figure below. The current in the wire on the…

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Q: Glob the alien is playing basketball. Glob is odd, so he likes doing physics while he plays. Glob…

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Q: Do heavier objects fall more slowly than lighter objects?

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Q: A robot pushes a 20-kg box on the horizontal surface as part of the moving job. The force is 300 N…

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Q: A cable stretched between the fixed supports A and B is under a tension T of 1.4 kN. Express the…

A: Tension in the cable Tension is a force through the length of a media , particularly a force carry…

Q: A long cart is at is at rest on a frictionless pavement. A man at one end of the cart walks toward…

A: Given:-  A long cart is at is at rest on a frictionless pavement. A man at one end of the cart…

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A: Visualize the problem:

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Q: urrent Attempt in Progress A high-field superconducting magnet in an MRI machine has an inductance…

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Q: A diver of mass 67.9 kg stands on one end of a diving board of mass 21.7 kg, as shown in the…

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Q: This time the pendulum is 1.04 m long. Suppose you start with the pendulum hanging vertically, at…

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Q: A disk, initially rotating at 109 rad/s, is slowed down with a constant angular acceleration of…

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Q: A horizontal spring (with a spring constant of 1000 N/m) is compressed by some amount, A, by a mass…

A: GIVEN: Force constant of spring = 1000N/m mass = 3kg velocity of mass = 15m/s

Q: The force F has a magnitude of 770 N. Express F as a vector in terms of the unit vectors i and j.…

A: The force diagram is shown below.

Q: A 2.0 – kg object moving at 3.0 m/s to the right collides with a 3.0 – kg object moving at 2.0 m/s…

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Q: You have two vectors. Vector A = 32 +43 and vector B = 62-53 of 3A + 2B? What is the y-component of…

A: X component of given vectors is Co-efficient of i^ of respective vector  Similarly, Y component of…

Q: A machine does 185 J of work in 20 seconds. Find the power of the machine?

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Q: In the figure, block 1 of mass m₁ slides from rest along a frictionless ramp from height h = 2.3 m…

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Q: d₂ d₂ Water flows from a large tank as shown above. Assuming the flow is steady, incom- pressible,…

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Q: Blood flows through the aorta at an average speed of v = 18 cm/s. The aorta is roughly cylindrical…

A: Velocity, v = 18 cm/s Radius, r = 14.8 mm = 14.8/10 cm = 1.48 cm

Q: QUESTION 1 A toy airplane is moving along a circular track. If it takes the toy airplane 2 seconds…

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Q: oles of an ideal gas undergoes an isothermal expansion at constant temperature T = 290 K, its…

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Q: Where is the 1/4 comes from?

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Q: 1. A block of mass 1.71 kg is placed on a frictionless floor and initially pushed northward,…

A: For the above question 1, it lies in the topic collisions. The Law of conservation of momentum…

Q: 18. a wire carries a current I = 32sin22t. Find the frequency of the current  A. 35Hz  B. 351.24Hz…

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Q: A machine does 185 J of work in 20 seconds. Find the power of the machine?

A: Introduction :  In this question we are provided with value of time and work . with these data we…

Q: Two sources are 7.2 cm apart and vibrate in phase at 7.0 Hz. A point on the third nodal line is 25.0…

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Q: A 70.0 kg sled is pulled from rest by a snowmobile and accelerates at 2.2 m/ s² [forward] for 7.5 s.…

A:

Q: The throttle-control lever OA rotates in the range 0 ≤ 0 ≤ 90°. An internal torsional return spring…

A: Take moment about O. M=T→×r→Kθ+π4=Tr→sinθ+45°760θ+π4=T→30sinθ+45°

Q: The Law of Conservation of Momentum states: a. The total momentum before a collision is equal to the…

A: 1) to explain : law of conservation of momentum

Q: Deep inelastic scattering. Derive the Callan-Gross relation: 2xF1(x) = F2(x) What value of the mass…

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Q: A planar electromagnetic wave is propagating in the +x direction. At a certain point P and at a…

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Q: A patient’s temperature was 97.0 °F at 8:05 A.M. and 102.0 °F at 12:05 P.M. If the temperature…

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Q: Your mass is 63.4 kg, and the sled s mass is 25.0 kg. The sled is moving by itself on the ice at…

A: Write the given values with the suitable variables. m1=63.4 kgm2=25 kgu2=3.19 m/s Here, m1, m2, and…

Q: You kick a soccer ball so rolls along the ground at 15 m/s. It goes up a ramp that is angled at 60°…

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Q: A graph of x vs. t4, with x on the vertical axis and t4 on the horizontal axis, is linear. Its slope…

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Q: A -4 nC point charge is located at -3 m along the x- axis. What is the electric potential at the…

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Q: A 1.50x103 kg car, whose front is facing to the right (towards +x-axis) and whose engine is turned…

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Q: 12. A thermometer showing multiple scales measured the temperature of an object. On which of the…

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Centripetal Force

A particle, body, object or certain mass while travelling in a rotational path or semicircular path, experiences an inertia force. If that inertia force pulls the towards the inward of the imaginary circle in the rotation, it is termed as centripetal force.