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In the figure below, a battery of potential difference V = 13 V is connected to a resistive strip of resistanceR = 7.0 Ω. When an electron moves through the stripfrom one end to the other, (a) in which directionin the figure does the electron move (1 = upward, 2 = downward),(b) how much work (in eV) is done on the electronby the electric field in the strip, and (c) how much energy (in eV) is transferred to the thermal energy of the strip by the electron?
A 10 kg block sits motionless on a table in spite of an applied horizontal force of 2 N. What are the magnitudes of the reaction force
A small mass is set on the surface of a sphere. If thecoefficient of static friction is µs = 0.70, at what angle would the mass start sliding
In the Experiment, you calculated the ratios of the measured distances, i.e. the ratios of Effort Distance/Load Distance. How did your calculations compare to your expectations
The low range of frequencies used for medical applications is about 1,000,000 Hz. What is the wavelength of this frequency in air
When laser light of wavelength 632.8nm passes through a diffraction grating, the first bright spots occur at +/- 17.8 degrees from the central maximum. At what angles do the third bright spots occur
You're listening to a loudspeaker with an initial output of 50 watts, and someone turns it up to 100 watts. Will the music sound more than, less than, or exactly twice as loud as before?
A 0.26- rock is thrown vertically upward from the top of a cliff that is 32m high. When it hits the ground at the base of the cliff, find the initial speed of the rock
At a carnival, you can try to ring a bell by striking a target with a 10.3-kg hammer. How fast must the hammer be moving when it strikes the target so that the bell just barely rings
A thin, uniform, rectangular sign hangs vertically above the doorof a shop. The sign is hinged to a stationary horizontal rod alongits top edge. Calculate its angular speed immediately after the impact
Like all stars, our sun converts mass into energy which radiates (spherically) in all directions. Calculate the rate at which the sun is losing mass
An L-C circuit consists of an inductor with an inductance of 65.0mH and a capacitor with a capacitance of 300 uF . The initial charge on the capacitor is 6.50 uC , and the initial current in the inductor is zero A.)What is the maximum voltage acro..
The seed has a mass of 250 mg., a functional lift-to-drag ratio of 4.0, a lift coefficient under the same conditions of 0.3, and a wing area of 5000 mm2. How long will it take to hit the ground
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