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As steady force of 2000 N is used for 8 seconds to accelerate a 1500 kg car which was initially going 20m/s.
a.) What impulse was given to the car?
b.) What was the change in momentum of the car?
c.) If the car speeded up. What was the cars final velocity?
A dc motor is connected to a constant emf of 16.9 V. The resistance of its windings is 2.0 ?. At normal operating speed, the motor delivers 7.1 W of mechanical power. (a) What is the initial current drawn by the motor when it is first started up? (b)..
question1a 71.0 person holds his arms so that his hands are 1.80 apart. typically a persons hand makes up about 1.00 of
Determine the potential 3.5 mm from the negative plate of a pair of parallel plates separated by 24.5 mm and connected to a 24-Vbattery.
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Over the last 100 years, it is estimated that the top 700 m of the ocean have been heated by 0.1 degrees Celsius. Using the thermal expansivity of water, estimate how much sea-level rise this estimate implies. How much sea-level rise would a 1 degree..
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the human body normally produces about 2 x 106 red blood cells per second.a. use scientific notation to express how
An air parcel moves northwards and becomes entrained in a strong westerly flow, circling the entire globe in the space of a few weeks. State the name given to this high-level flow and define briefly how its structure is related to lateral and vert..
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