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A fine metal foil separates one end of two pieces of opticallyflat glass. When light of wavelength 670 nm is incident normally,28 dark lines are observed (with one at each end). How thick is the foil?
A 10.0 kgblock is dragged over a rough, horizontal surface by a 84.0 N force acting at 20.0° above thehorizontal. The block is displaced 6.00 m, Find the work done on the block by the normal force
A mass m = 2.4 kg is at the end of a horizontal spring of spring constant k = 265 N/m on a frictionless horizontal surface. Calculate the angular frequency of the oscillation in rad/seconds
The electric potentialis given by (50 V/m6)(x3z3+ x2y4) in the region ofspace that includes the point (x,y,z)=(4,–3,2) m. Find the z-component of the electric field at that point.
A 48 kg bear slides, from rest, 9.7 m down a lodgepole pine tree, moving with a speed of 5.8 m/s just before hitting the ground. find the average frictional force that acts on the sliding bear
As a bowling ball of radius 14.0 cm rolls down the alley to the right, a frictional force of magnitude 1.22 N, Find the frictional torque with respect to an axis through the center of the ball
A wire made of gold is 940 m long and has a cross-sectional area of29.3 multiplied by 10-7 m2. It isobserved that 782.1 C pass through thewire in 91.3 s. The resistivity ofgold is 2.44multiplied by 10-8 Ω· m. Determine the power loss of the wire.
A 4.8-kg bucket of water is raised from a well by a rope. find the force exerted by the rope on the bucket
q1. a unit of area often used in measuring land areas is the hectare defined as 114 m2. an open pit coal mine consumed
The damage caused by electric shock depends on the current flowing through the body; 1 mA can be felt and 5 mA is painful. What is the minimum voltage placed across the arms that would produce a current that could be felt by a person with dry skin
A small object with mass 0.200 kg moves with constant speed in a vertical circle of radius 0.500 m. What is the translational speed of the object
Explain in your own words the meaning of acute and chronic exposure, deterministic and stochastic effects from radiation. Give examples
A charge Q is uniformly distributed along the x axis, what is the electric potential (relative to zero at infinity) at the point, x = 8.0 m, on the x axis,
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