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A train slows down as it rounds a sharp horizontal trun,going from 90km/h to 50.0km/h im the 15.0s it takes to round thebend. the radius of the curve is 150m. Compute the acceleration atthe moment the train speed raches 50.0km/h . Assume the train continues to slow down at this time at the same rate.
You have a converging lens of focal length 20 -cm. For what range of object distances will the image be real
Two very large parallel sheets are 5.00 apart. Sheet carries a uniform surface charge density of -8.60 , and sheet , Find the magnitude of the net electric field these sheets produce at a point 4.00 to the right of sheet
In the treatment of spine injuries, it is often necessary to provide some tension along the spinal column to stretch the backbone. find the tension in each of the cables attached to this neck collar
Consider the system shown in the figure below with m1 = 24.0 kg, m2 = 10.7 kg, R = 0.250 m, and the mass of the pulley M = 5.00 kg. Object m2 is resting on the floor, and object m1 is 4.40 m above the floor when it is released from rest. The pulle..
An automobile tire is inflated with air originally at 10.0°C and normal atmospheric pressure. What is the tire pressure in pascals
A 7.0-mm diameter hole is 1.0m m below the surface of a 2.0m diameter tank of water. What is the rate, in mm/min, at which the water level will initially drop if the water is not replenished
The string will break if its tension exceeds 50-{rm N}. The stone is whirled in a horizontal circle on a frictionless tabletop; the other end of the string remains fixed. Find out the maximum speed the stone can attain without breaking the string.
A 1 kg block of Al is heated at atmospheric pressure so that its temperature increases from 22.0 degrees C to 40.0 degrees C. calculate The work done by the Al block
Cars A and B are traveling around the circular race track. At the instant shown, A has a speed of 78ft/s, Determine the relative acceleration of car A with respect to car B at this instant
A When the magnetic flux through a single loop of wire increases by 30 Webers, a current of 40.0 A is induced in the wire. over what time did the flux change
110 grams of boiling water (temperature 100° C, heat capacity 4.20 J/gram/K) are poured into an aluminum pan whose mass is 1000 grams and initial temperature 24° C (the heat capacity of aluminum is 0.9 J/gram/K).
he car is suspended beneath the helicopter by a steel cable. Illustrate what is the lift force exerted on the air by the helicopter's rotor?
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