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Two separate but similar coils of wire are mounted close to each other, as shown at right. The first coil is connected to a battery and has a direct current flowing through it. The second coil is connected to a galvanometer. How does the galvanometer respond when the switch in the first circuit is closed? After being closed when the current is steady? When the switch is opened?
In laboratory situations, a projectile's range can be used to determine its speed. Determine the ball's speed as it left the table top
An automobile accelerates from rest for 20s with a constant acceleration of 1.5 m/s^2. What is its final velocity? How far does it travel in that time
A 1000kg ar accelerates from rest to 25.0m/s in 4.20 s.Ignoring frictional forces. what is the average power( inhorsepower) delivered by the engine
An 4 millimeter tall object is 26.5 centimeter from the center of a silvered spherical glass Christmas tree ornament 5.85 centimeter in diameter. Evaluate what is the height of its image
A bat moving at 15.0 {\rm m/s} emits a high-frequency sound as it approaches awall that is 29.5 m away. how far away is it when it receives the echo
q1. a violin string that is 45.5 cm long has a fundamental frequency of 490 hz.what is the speed of the waves on this
Two mirrors are placed 1.0 m apart, with their surfaces parallel. Suppose that light of intensity Io is initially incident on one mirror, normal to its surface. How long does this take
Light from a 580-nm monochromatic source is incident upon the surface of fused quartz (n = 1.56) at an angle of 28°. What is the angle of reflection (in degrees) from the surface
A diffraction grating has 2604 lines per centimeter, and it produces a principal maximum at θ = 30.0 °. What are the wavelengths of the incident light that could have produced this maximum
a student pulls a 5kg object along a horizontal surface at a constant speed of 2m/s by a 15N force acting 30 degrees above the horizontal
If each rock strikes the fixture traveling at 10.0 {rm m}/{rm s} horizontally and rebounds at 2.00 {rm m}/{rm s} backwards, find out how high above the lowest point does the impact make your light fixture swing?
A potential energy function for a two-dimensional force is of the form U = 3.89x3 y - 5.96x. Calculate the force that acts at the point (1.28m,1.17m). Enter the x-component first and then the y-component.
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