Anand’s height is 156 cm. He stands in front of a large vertical plane mirror. If the distance of image from Anand is 4 m, how far is Anand from the mirror?
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Which of the following represents an upside-down image?

What is a possible result of higher air temperature caused by global warming

Two 1.20-m nonconducting wires meet at a right angle. one segment carries + 2.50 µc of charge distributed uniformly along its length, and the other carries - 2.50 µc distributed uniformly along it, as shown in fig. 21.50. ( a. find the magnitude and direction of the electric field these wires produce at point p, which is 60.0 cm from each wire. ( b. if an electron is released at p, what are the magnitude and direction of the net force that these wires exert on it?