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Gilly is driving through town at 25.0m/s and begins to accelerate at a constant rate of -1.0m/s². Eventually she comes to a complete stop.
A long solenoid (cross-sectional area = 0.99 x 10-6m2, number of turns per unit length = 2429 turns/m) isbent into a circular shape so it looks like a doughnut.
A dolphin jumps with an initial velocity of 13.0m/s at an angle of 41.0 degrees above the horizontal. how high above the water is the center of the hoop
For a particular track, the optimum pressure has been determined to be 8.5 psi (as measured by a tire gage). If a particular burnout maneuver will increase the temperature of the rear tires by 55 μF above their original temperature of 90 μF, to wh..
A basketball player does 2.43 x105 J of work through her time in the game, and evaporates 0.110 kg of water. Assuming a latent heat of 2.26x106 J/kg for the perspiration (the same as for water), decide (a) the change in the player's internal energy a..
The specific heat of a certain metal can be determined by measuring the temperature change that occurs when a piece of the metal is heated, What is the specific heat of the metal
A thermos contains 153 cm3 of coffee at 93.9 °C. Tocool the coffee, you drop two 14.0-g ice cubes into the thermos. What is the final temperature of the coffee in degrees Celsius
question the four tires of an automobile are inflated to a gauge pressure of 2.04e5 pa. each tire has an area of 0.0274
32 violins playing simultaneously with the same intensity combine to give an intensity level of 82 dB. a) What is the intensity level of each violin? (b) If the number of violins is increased to 64, will the combined intensity level be more than, les..
A pair of narrow, parallel slits separated with 0.270 mm is illuminated by the green component from a mercury vapor lamp (λ = 546.1 nm). The interference pattern is observed on a screen 1.23 m from the plane of the parallel slits.
A refracting telescope has an objective lens with a focal length of 2.30 m and an eyepiece with a focal length of 3.50 cm. by what factor is the angular size of an observed object reduced
What is the equation to find the equivalent resistance, Req, of two resistors in series, R1 and R2? (choose one of the four options)
A small earthquake starts a lamppost vibrating back and forth. The amplitude of the vibration of the top of the lamppost is6.5 cm at the moment the quake stops, and8.6 s later it is 2.1 cm. What is the time constant for the damping of the oscillation..
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