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Two lightweight rods 24centimeter in length are mounted perpendicular to an axle and at 180 degree to each other. At the end of each rod is a 480-gram mass. The rods are spaced 42 centimeter apart along the axle. The axle rotates at 4.1rad/s.
Find the component of the total angular momentum along the axle?
Find angle does the vector angular momentum make with the axle? [Hint: Remember that the vector angular momentum must be calculated about the same point for both masses, which could be the cm.]
The Earth's radius is 6370 km . There is a downward-pointing electric field in the atmosphere above the Earth's surface, What is the flux of the electric field out of the Earth, What is the charge on the Earth
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41 omegacap.gif at 20°C. what is the temperature coefficient of resistivity
the following questions ask you to solve problems involving topics weve covered this week. work each problem and post
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question1the drawing not to scale shows one alignment of the sun earth and moon. the gravitational force that the sun
The total momentum of two cars approching an intersection is Ptotal = (15,000 kg.m/s)x + (2700 kg.m/s)y. (a) If the momentum of car 1 is P1= (11,000 kg.m/s)x + (-370 kg.m/s)y, what is the momentum of car 2? (b) Does your answer to part (a) depen..
A horizontal water main with a cross-sectional area of 208 cm2 necks down to a pipe of area 45.0 cm2. Determine the flow rate through the system
Astronauts use a centrifuge to simulate the acceleration of a rocket launch. How many g's of acceleration does the astronaut experience when the device is rotating at the top speed? Each 9.80 m/s2 of acceleration is 1 g
if the kinetic energy of a neutron confined inside a cubic box is 10 mev in its ground state calculate the size of the
A uniform steel beam has a mass of 490 kg. On it is resting half of an identical beam. What is the vertical support force at each end
A 5.00 mL syringe has an inner diameter of 6.00 mm, a needle inner diameter of 0.210 mm, and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses the syringe to inject medicine into a patient whose blood pressure is 140/100..
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