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Some bacteria are propelled by motors that spin hair-like flagella.A typical bacterial motor turning at a constant angular velocityhas a radius of 1.9x10-8m, and a tangential speed at therim of 3.0x10-5 m/s.
(a) What is theangular speed (the magnitude of the angular velocity) of thisbacterial motor?
(b) How long does it take the motor to make one revolution?
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the magnetic flux through 20 turn coil with a 100 o resistance changes at a constant rate from -5.8 tm2 to 3.8 tm2 in
Explain how much distance is between you and the deer when you come to a stop? What is the maximum speed you could have and still not hit the deer?
An object is a distance 6f from a converging lens. construct a ray diagram showing the location and orientation of the image
The equation connecting s, p, and f for a simple lens can be employed for spherical mirrors, too. A concave mirror with a focal length of 8cm forms an image of a small object placed 10cm in front of the mirror. Where will this image be located?
How fast is the mass moving at the top of its new path (directly above the peg)?
A 200g ball on a 60 {cm}-long string is swung in a vertical circle about a point 200 {cm} above the floor.
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a pendulum with a lenght of l2.00m is pulled back to an angle of 30 degrees as is then released. what is the maximum
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in a circus act an 18kg dog is trained to jump onto a 3.0 kg skateboard moving with a velocity of 0.14 ms. at what
A 1.5kg weight hangs from a 8.0kg, solid wheel with a 20 cm circumfrence by a thin string wrapped several times around the circumfrence. How fast (in radians/second) is the wheel turning just before the weight hits the floor
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