Physics, 10.09.2021 02:10 adrianaa52
Find the average speed in km/h of a journey of 48 km in 36 minutes
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A248-g piece of copper is dropped into 390 ml of water at 22.6 ยฐc. the final temperature of the water was measured as 39.9 ยฐc. calculate the initial temperature of the piece of copper. assume that all heat transfer occurs between the copper and the water. remember, the density of water is 1.0 g/m
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Suppose a diode consists of a cylindrical cathode with a radius of 6.200ร10^โ2 cm , mounted coaxially within a cylindrical anode with a radius of 0.5580 cm . the potential difference between the anode and cathode is 260 v . an electron leaves the surface of the cathode with zero initial speed (v initial=0). find its speed vfinal when it strikes the anode.
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The velocity of a car traveling in a straight line increases from 0 meters/second to 30meters/second in 8 seconds. what is the average acceleration of the car?
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Find the average speed in km/h of a journey of 48 km in 36 minutes...
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