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A 20cm radius centrifuge is spinning. If the test tube travels a distance of 50 meters around the centrifuge in 3 seconds, what is the acceleration of the tube? How many g's does the tube experience? What is the period and frequency?
When cars C and D stop on a two-lane bridge, the forces exerted by their tires on the bridge are as shown. When both cars are on the bridge, determine
Express the net radiated power numerically, to the nearest 10 W
A three-way 240 V lamp bulb that contains two filaments is rated for 200-400-600 W. One filament burns out. Afterward, the bulb operates at the similar intensity (dissipates energy at the same rate) on its lowest as on its highest switch positions ho..
An object, 0.75 cm tall, is placed 12.0 cm to the left of a diverging lens (f = -8.00 cm). A converging lens is placed 8.00 cm to the right of the diverging lens. The final image is virtual and is 30 cm to the left of the diverging lens.
A 515- turn circular loop coil with a diameter of 16.6 cm isinitially aligned so that its plane is perpendicular to the Earth'smagnetic field. In 2.04 ms the coil is rotated 90.0o sothat its plane is parallel to the Earth's magnetic field.
A rotating space station has radius 1.31e+3 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be
A metal rod with a diameter of 2.30 cm and length of 1.10 m has one end immersed in ice at 32oF and the other end in water at 212oF. what is the thermal conductivity of this metal
A standard bowling ball weighs 19 pounds. You wish to hold a bowling ball in front of you, by the elbow bent at a right angle. Suppose that your biceps attaches to your forearm at2.5 cm out from the elbow joint, and that your biceps muscle pulls vert..
An astronaut is being tested in a centrifuge. The centrifuge has a radius of 8.76 m and, in starting, rotates according to Theta = 0.30 t 2. what is the magnitude of the astronaut's linear speed
When laser light of wavelength 633.3nm passes through a diffraction grating. thef irst bright spots occur at +- 18.4 degree from the central maximum, At what angle do the second bright spots occur
A parallel-plate air capacitor with a capacitance of 236 has a charge of magnitude 0.13 on each plate. The plates have a separation of 0.33.What is the potential difference between the plates.
A light ray passes from water into air. The angle of incidence is 37o. Find the angle of refraction in the air
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