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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.]
Two spherical objects with a mass of 8.05 kg each are placed at a distance of 2.31 m apart. How many electrons need to leave each object so that the net force between them becomes zero
The legend that Benjamin Franklin flew a kite as a storm approached is only a legend - he was neither stupid nor suicidal. what is the current through the water layer
An ostrich lays the largest bird egg. A typical diameter for an ostrich egg at its widest part is 12 cm. What is the tangential speed of that part of the shell
a 20 microfarad capacitor is connected in series with a 160 ohm resistor. the capacitor is initially charged to a
Figure 19-26 shows two paths that may be taken by a gas from an initial point i to a final point f. Path 1 consists of an isothermal expansion (work is 60 J in magnitude), an adiabatic expansion (work is 38 J in magnitude), an isothermal compression ..
question 1. what is the magnitude of the acceleration of an electron at a point where the electric field has magnitude
A 2.40kg mass is pushed against a horizontal spring of force constant 26.0N/cm on a frictionless air table. The spring is attached to the tabletop, Find the greatest speed the mass reaches
A mass (3kg) on a string lies on a horizontal frictionless surface tied to a central point. How fast can the mass move around the circle without breaking the string
A student drops two metallic objects into a 120 g steel container holding 150 g of water at 25°C. What is the mass of the aluminum chunk
a helicopter starting from rest accelerates straight up from the roof of a hospital. the lifting force does work in
A car starts from rest and travels for 7.0 seconds with auniform acceleration of +2.5 m/s^2. how far has it gone
a 12-kg block on a horizontal frictionless surface is attached to a light spring force constant 0.80 knm. the block is
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