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1) Find the magnitude of the vector R→ that is the sum of the three vectors A→, B→, and in the figure
2) Find the direction of the vector R→ . Take an angle positive counterclockwise from the + x-axis.
3) Find the magnitude of the vector S→ = C→ - A→ - B→
4) Find the direction of the vector S→ = C→ - A→ - B→ . Take an angle positive counterclockwise from the + x-axis.
A very large nonconducting plate lying in the xy-plane carries a charge per unit area of 10s. A second such plate located at z = 5.00 cm and oriented parallel to the xy-plane carries a charge per unit area of -1s. Find the electric field for the f..
An atomic nucleus initially movingat 420m/s emits an alpha particle in the direction of its velocity,and the remaining nucleus slows to 350 m/s. what speed does the alpha particle have when it is emitted
A toroid of mean radius 24 cm and circular cross section of radius 1.5 cm is wound with a superconducting wire of length 1000 m that carries a current of 350 A. calculate the magnetic energy density
A typical lightning flash delivers about 15 C of negative charge from cloud to ground. How many electrons are involved
In conducting circles, find where is the magnitude of the electric field the largest? Determine where is it the smallest
question a 25g bullet pierces a sand bag 27cm thick. if the initial bullet velocity was 64 ms and it emerged from the
A 80 kg football player stand at the end of a uniform 8m, 50kg diving board supported as shown. Determine the forces exerted by the two supports.
a wheel 2cm wide with a 3.5cm radius is being spun at a constant velocity "w" by a static force "F", how much work is being 'lost' through the bar
An ac voltage source is connected in series with a1.4-?F capacitor and a 690-? resistor. Using a digital ac voltmeter, the amplitude of the voltage source is measured to be 4.0?V rms, Determine the frequency of the ac voltage source
A sphere that is a perfect blackbody radiator has a radius of 0.100 m, Calculate the net rate at which the sphere radiates energy
An ideal spring with a stiffness of 379N/m is attached to a wall, and its other end is attached to a block that has a mass of 16-kg. The spring/block system is then stretched away from the spring's relaxed position until 59J of mechanical potentia..
The acceleration of a motorcycle is given by ax (t) = At - Bt2, where A = 1.50 m/s3 and B = 0.120 m/s'. The motor cycle is at rest at the origin at time t =0 a) Find its position and velocity as functions of time b) Calculate the maximum velocity it ..
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