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The drawing shows a collision between two pucks on an air-hockey table. Puck A has a mass of 0.040 kg and is moving along the x axis with a velocity of +5.5 m/s. It makes a collision with puck B, which has a mass of 0.070 kg and is initially at rest. The collision is not head-on. After the collision, the two pucks fly apart with the angles shown in the drawing. (a) Find the final speed of puck A. m/s (b) Find the final speed of puck B. m/s
A step-up transformer has 300 turns on its primary coil and 90000 turns on its secondary coil if the current flowing through the secondary is 5 amps what is the current flowing in the primary.
Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 2.90 m, are floating at rest on Space Station Freedom between two metal bulkheads.
A 50.0 g copper calorimeter contains 260 g of water at 22.0°C. How much steam ought to be condensed into the water if the final temperature of system is to reach 42.0°C.
What should the charge (sign and magnitude) of a particle of mass 1.47 be for it to remain stationary when placed in a downward-directed electric field of magnitude 610.
When these two wires are connected in equivalent to the same battery, describe the reasoning of the steps that allow you to find out which of these wires will consume the greater amount of power by warming up and dissipating this energy as heat.
establish linear speed of the dragster.
Water at a pressure of 3.4 atm at street level flows into an office building at a speed of 0.5 m/s through a pipe 7.00cm in diameter. The pipes taper down to 2.6 cm in diameter by the top floor, 28m above.
A new General Electric kitchen stove has a mass of 68kg and the dimensions. The stove comes with a warning that it can tip forward if the person stands or sits on oven door when it is open.
A sample of animal bone unearthed at an archaeological site is found to hold 173 grams of carbon and the decay rate of 14-C in the sample is measured to be 8.10 Bq. How old is the bone.
An m=8.25 Kg mass is suspended on a string that is pulled upward by the force of F=83.3 N. If the upward velocity of the mass is 3.25 m/s right now, what is the velocity 5.50 s later.
What is the current in the wire.
An 8,000 rocket is shot straight up from the Earth's surface with the initial speed of 800 m/s. How high does it go.
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