Ts
An electric light bulb mixer is used for 19.2 seconds. In that time, it transfers 1
536 J of energy.
Calculate the power output of the cake mixer.
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Ответ:
Ответ:
103. B.
53. C.
53. The area of a parallelogram is given by 21× the cross product of its diagonals. So, area =21[(3i^+j^−2k^)×(i^−3j^+4k^)] =21∣∣∣∣∣∣∣∣i^31j^1−3k^−24∣∣∣∣∣∣∣∣ =21∣∣∣∣i^(4−6)−j^(12+2)+k^(−9−1)∣∣∣∣ =21∣∣∣∣(−2i^−14j^−10k^)∣∣∣∣ =1+49+25. =75. Answer verified by Toppr. Practice important Questions. Algebra 1. 2988 Qs.