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A droplet of ink in an industrial ink-jet printer carries acharge of 1.6x10-11 coulombs and is deflected ontopaper by a force of 3.2x10-4 newtons. Find the strength of the electric field to produce this force.
A small ball rolls horizontally off the edge of a tabletop of height h, How long is the ball in the air and What is its speed at the instant it leaves the table
A pendulum of length 130 cm swings with an amplitude of 1.6 cm. Its mechanical energy is 5.0 mJ. What is the mechanical energy of the same pendulum
One of the harmonics of a column of air open at one end and closed at the other has a frequency of 448 Hz, What is the fundamental frequency of the air column
Whenever two Apollo astronauts were on the surface of the Moon, a third astronaut orbited the Moon. Determine the period of the orbit
Two blocks are connected by a light string that passes over two frictionless pulleys
The length of a beam increases by 2.45mm when its temperature is raised from 27.74oC to 76.79 oC. What is the length of the beam at the initial temperature
Measuring the Speed of Sound. A student investigator is measuring the speed of sound by looking at the time for a brief, sinusoidal pulse from a loudspeaker to travel down a tube, What was the approximate length of the tube
Suppose you are given a problem involving an electron in a wire and you solve the time independent Schr¨odinger equation (TISE) to ?nd ?(x) for a particular energy level E. Write down the expression for ?(x, t) in terms of ?(x) and time t.
Two thin lenses with a focal length of magnitude 19.5 cm, the first diverging and the second converging, are located 14.6 cm apart. What is the height of the final image
A flat, round iron ring 7.00cm in diameter has a current running through it that produces a magnetic field of 77.2?T at its center. find the maximum torque the external field can exert on the ring
When the Sun is directly overhead, a hawk dives toward the ground with a constant velocity of 4.75 m/s at 59.5° below the horizontal, Calculate the speed of her shadow on the level ground
find the vertex and the x-intercepts of the parabolay ax2 bx - cround your answers to one decimal
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