A wire, 0.60 m in length, is carrying a current of 2.0 A and is placed at a certain angle with respect to the magnetic field of strength 0.30 T
If the wire experiences a force of 0.18 N, what angle does the wire make with respect to the magnetic field?
A) 20°
B) 25°
C) 30°
D) 35°
E) 60°
C
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A mass which weighs 19.6 Newtons on Earth is 2.3 meters away from a 2.00 kg mass
(a) Determine their mutual gravitational attraction to each other. (b) How much work would have to be done to put a very large distance between the two masses?
Unlike spherical mirrors, spherical lenses do not have a focal length equal to ______________
Fill in the blank(s) with correct word
A metal alloy, such as steel, is
a. a compound. b. a heterogeneous mixture. c. a homogeneous mixture. d. an element.
Without the ozone layer, life on Earth would be in danger from increased levels of _________ radiation.
a. UV b. X-ray c. gamma ray d. infrared e. microwave