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After being accelerated through a potential difference of 5.42 kV, a singly charged carbon ion (12C) moves in a circle of radius 20.8 cm in the magnetic field of a mass spectrometer. What is the magnitude of the field? (The conversion between atomic mass units and kilogram is: 1u = 1.66 x 10-27)
A child goes down a playground slide with an acceleration of 1.20 m/s2. Compute the coefficient of kinetic friction between child and slide if the slide is inclined at an angle of 32.2° below the horizontal.
A computer disk is 8.0 in diameter. A reference dot on the edge of the disk is initially located at the disk accelerates steadily for 0.50, reaching 2000.
Calculate the magnetic field at the observation location. The space shuttle releases a satellite into the circular orbit 565 above the Earth. How fast must the shuttle be moving (relative to Earth) when the release occurs.
Usain Bolt is running a 100m dash. He accelerates to top speed over the first 45 m, then runs at a constant speed for the last 55 m, What is his top speed
create destructive interference between the speakers. Friction provides the force required for a car to travel around a flat, circular race track.
A 2.50 syringe has an inner diameter of 4 , a needle inner diameter of 0.24 , and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses syringe to inject medicine into a patient whose blood pressure is 140/100.
An emf is induced in a conducting loop of wire 1.16 m long as its shape is changed from square to circular.
Which statement is true concerning the magnitude of the net force on the plane.
A flight attendant pulls her 72.0 N flight bag a distance of 282 m along a level airport floor at a constant speed. The force she exerts is 33.0 N at an angle of 52.0° above the horizontal.
Explain how would the results have differed in this experiment if the pulley and of the track was lower that the other end of the track?
A body cools from 50 degre celcious to 49 degree celcious in 5 seconds. Hw long would it take to cool from 40 degree celcious to 39 degree celcious.
The net force on the object is not zero in Tubby's frame, but there is an inertial frame in which net force is zero.
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