Question
How fast (in rpm) must a centrifuge rotate if a particle 7.8 cm from the axis of rotation is to experience an acceleration of 1.2×105 g's?
Express your answer using two significant figures.

Expert Answer

Want to see the step-by-step answer?

Check out a sample Q&A here.

Want to see this answer and more?

Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes!*

*Response times may vary by subject and question complexity. Median response time is 34 minutes for paid subscribers and may be longer for promotional offers.
Tagged in
Science
Physics

Angular Motion

Related Physics Q&A

Find answers to questions asked by students like you.

Q: A horizontal wire is free to slide on the vertical rails of a conducting frame, as in the figure. Th...

A: Given:  length of the conductor = l  mass of the conductor = m  resistance of the conductor = R  mag...

Q: A combination of three resistors R1,R2 and R3 in series is connected across a voltage source Vr. The...

A: Click to see the answer

Q: An x-ray tube has an anode made of iridium (atomic number 77). Assume that each iridium atom has onl...

A: Click to see the answer

Q: Still in DC steady state, ℰ and R₁ are unknown, but set to allow I₁ = 6 A, R₂ = 5 Ω, and R₃ = 6 Ω.  ...

A: The circuit diagram is shown as, At steady state, the inductor behaves as a idea wire. So, our new ...

Q: Do the Balmer and Lyman series overlap? To answer this, calculate the shortest-wavelength Balmer lin...

A: Click to see the answer

Q: In a camera equipped with a 50-mm focal length lens, the maximum distance that the lens can be from ...

A: Click to see the answer

Q: Natural potassium contains 40K , which has a half-life of 1.277×109 years. What mass of 40K in a per...

A: (a)   Write the expression for the activity for a radioactive, and solve for the number of atoms in ...

Q: A uniform solid sphere rolls along a horizontal frictionless surface at 20 m/s and makes a smooth tr...

A: Click to see the answer

Q: What angle would the axis of a polarizing filter need tomake with the direction of polarized light o...

A: Click to see the answer

Q: A bicycle wheel has a diameter of 64.9 cm and a mass of 1.86 kg. Assume that the wheel is a hoop wit...

A: Given : Diameter of wheel, d1 = 64.9 cm = 0.649 m             Diameter of sprocket in part (a) of qu...

Q: Time t < 0, the circuit is in DC Steady State.  The switch is opened instantly at time t=0.  This...

A: Click to see the answer

Q: What is the direction of the magnetic force on the wire?  (Give the angle from the positive x-axis, ...

A: Click to see the answer

Q: What volume does 160 g of mercury occupy. Please express your answer in units of m3. The density of ...

A: Click to see the answer

Q: A ball of mass 1 kg is shot straight up with an initial speed of 20 m/s. What is its maximum height ...

A: Click to see the answer

Q: You launch an object into the air with an initial horizontal speed of 80 m/s and an initial vertical...

A: Given: Initial horizontal speed of an object (ux) = 80 m/s. Initial vertical upward speed of an obje...

Q: A beam of light passes from glass with refractive index 1.58 into water with a refractive index 1.33...

A: Click to see the answer

Q: List two types of problems that could suitably be modeled by: Physical models.

A: Two types of problems that could suitably be modeled by: Physical models:  

Q: The solar panels on the International Space Station have a total area of 480 m^2. Assume they reflec...

A: Click to see the answer

Q: People who do very detailed work close up often can see objects clearly at much closer distance than...

A: Click to see the answer

Q: 1) The figure above shows part of a system consisting of a block at the top of a ramp secured to a h...

A: Click to see the answer

Q: Resolving ‘power’ of an electron microscope versus optical (photon) microscope: If a resolution of 1...

A: Click to see the answer

Q: Calculate the potential energy of the +2µC charge at point P. Calculate the work done in moving the ...

A: Click to see the answer

Q: An x ray tube has an applied voltage of 50 kV. (a) What is the most energetic x-ray photon it can pr...

A: Click to see the answer

Q: A block of mass m1 = 2.40 kg and a block of mass m2 = 5.55 kg are connected by amassless string over...

A: Click to see the answer

Q: A 4 kg wheel held in a frame of negligible mass rolls down a 22 degree ramp. The frame is attached t...

A: Considering Newton’s second law of motion on the weight along the incline, and solve for the tension...

Q: a) At what angle to the vertical must a fish look to see an insect 10m away on the shore just above ...

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question s...

Q: 6. Firefly bioluminescence has a peak wavelength of around 600nm. From Wien’s blackbody radiation di...

A: Click to see the answer

Q: A uniform rod of length L is pivoted at L/4 from one end. It is pulled to one side through a very sm...

A:  

Q: What is the pressure at a depth of 110 m in the ocean? The density of seawater is 1. 03 x 10 kg/m. P...

A: Click to see the answer

Q: The capacitive network shown in the figure is assembled with initially uncharged capacitors. A poten...

A: Click to see the answer

Q: A particle was subjected to a force F, that varies with position as described by the F vs. x graph b...

A: Work done = Area under the curve Work done from 0 to 10 m = Area under the curve from 0 to 10 m work...

Q: A teacher connects a bowling ball to a rope that hangs from the ceiling. The teacher is about to rel...

A: When ball is placed at horizontal it will have zero speed but it have potential energy. So, when ba...

Q: On a frictionless horizontal air table, puck A (with mass 0.254 kg ) is moving toward puck B (with m...

A: Click to see the answer

Q: What is the smallest-wavelength line in the Balmer series? Is it in the visible part of the spectrum...

A: Click to see the answer

Q: A 5.00-kg block is placed on top of a 10.0-kg block (see the Figure below). A horizontal force of 45...

A: Click to see the answer

Q: Light enters glass from air. If the angle of incidence of the light on to glass is 20◦ and the index...

A: Click to see the answer

Q: A 4 kg object is attached to a spring and is oscillating on a horizontal surface. When the object ha...

A: Click to see the answer

Q: A spherical weather balloon is filled with hydrogen until its radius is 3.50 m. Its total mass inclu...

A: Click to see the answer

Q: You are driving along a straight section of road at 13 m/s when 10 m in front of you a furry creatur...

A: Click to see the answer

Q: A hydraulic press has an input cylinder 4.5cm in diameter and an output cylinder 16cm in diameter. (...

A: Click to see the answer

Q: At what velocity does a proton have a 6.00-fm wavelength (about the size of a nucleus)? Assume the p...

A: The de Broglie equation is,

Q: Two small pithballs are attached to long silk threads. The balls are 1cm apart and are suspended bet...

A: Given : distance between the plates, d = 3 cm = 0.03 m               Area of the plates, A  = 10 m2 ...