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A toy train is pushed forward and released at xi = 3.0m with a speed of 2.5m/s . It rolls at a steady speed for 2.6s, and then one wheel begins to stick. The train comes to a stop 7.5m from the point at which it was released.
What is the train's acceleration after its wheel begins to stick?
The magnitude of the electrostatic force between two identical ions that are separated by a distance of 0.90 nmis 4.103×10-8 N, How many electrons are missing from (or have been added to) each ion
An aluminum cup of mass 210 g contains 800 g of water in thermal equilibrium at 80.0°C. find At what rate is energy being removed by heat
A 785 Hz sound wave travels through a gas. If the wavelength of the sound is 0.6 m, what is the speed of sound in the gas
A machine carries a 5.0 kg package from an initial position of di = (0.50 m) i + (0.75 m) j + (0.20 m) k at t = 0 to a final position of df = (7.80 m) i + (13.0 m) j + (7.30 m) k at t = 15 s. find the power of the machine's force on the package
Mercury is poured into a U-tube as shown in Figure (a). The left arm of the tube has cross-sectional area A1 of 11.0 cm2, and the right arm has a cross-sectional area A2 of 4.60 cm2.
A cylinder contains a piston on each side of which is one kilomole of an ideal gas. The walls of the cylinder are diathermal, What is the change in the Helmholtz potential
A cubical box with each side of length 0.24 m contains 1.050 moles of neon gas at room temperature (293 K). What is the average rate (in atoms/s) at which neon atoms collide with one side of the container? The mass of a single neon atom is 3.35 10-26..
A speeding motorist traveling 105km/h passes a stationary police officer. The officer immediately begins pursuit at a constant acceleration of 12km/h/s (note the mixed units).
The maximum electric field 8.3 m from a point light source is2.3 V/m. What is the power of the source
A ship is floating on a lake. Its hold is the interior space beneath its deck; the hold is empty and is open to the atmosphere. What volume of water per second leaks into the ship
One gram-mole of an ideal gas initially occupies V1 = 5.0 L at P1 = 117 kPa, and then expands to V2 = 10.0 L at constant pressure. How much heat is absorbed (+) or liberated (-)
A bowling ball weighing 71.6 is attached to the ceiling by a rope of length 3.71 . The ball is pulled to one side and released, What is the acceleration of the bowling ball
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