Physics, 19.07.2019 16:00 jennnifercrd59jc
Acar is moving with a speed of 22 m/s. the driver then brakes, and the car comes to a halt after 6.5 s. what is the distance covered by the car after the driver brakes, until it comes to a stop? a) 36 m b) 72 m c) 140 m d) 210 m
Answers: 1
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Suppose you have three polarizing filters, with the second at an angle of 42ā to the first and the third at an angle of 90ā to the first. by what perfect will the original intensity of unpolarized light be reduced to after passing through all three filters?
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Physics, 22.06.2019 17:40
The first-order reaction aā2b+c has rate constant 0.538 sā1. if the initial concentration of a is 0.867 mol lā1, what is the half-life of the reaction in seconds? remember to use correct significant figures in your answer (round your answer to the nearest hundredth). do not include units in your response.
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An electron in an x-ray machine is accelerated through a potential difference of 1.00 Ć 104 v before it hits the target. what is the kinetic energy of the electron in electron volts?
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What are the dimensions of the cross section that passes through the points a, f, g, and d?
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Acar is moving with a speed of 22 m/s. the driver then brakes, and the car comes to a halt after 6.5...
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