A 30.0 cm wrench is used to generate a torque at a bolt. A force of 50.0 N is applied at the end of the wrench at an angle of 70.0 degrees. The torque generated at the bolt is
A. 10.4 N•m.
B. 14.1 N•m.
C. 19.7 N•m.
D. 21.5 N•m.
E. 26.2 N•m.
B. 14.1 N•m.
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What is our best hypothesis for why all the planets in our solar system orbit in the same direction as the Sun rotates?
A) The planets and Sun formed from the same, single, rotating gas cloud. B) It's a complete coincidence. C) The planets were pulled out of the Sun by a major interaction with another star. D) Almost everything in our Galaxy rotates in the same direction. E) The Sun did not initially rotate, but the planets gravity caused it to start rotating in the direction in which the planets orbit.
An object is placed 9.5 cm in front of a convex lens with a focal length of magnitude 24 cm
(a) Where is the image formed and how far is it from the lens? (b) What is the magnification produced by the lens? What will be an ideal response?
Rocks solidified from molten material below ground are classified as ______________ igneous rocks
a. extrusive b. intrusive c. superior d. inferior
The two-lens astronomical telescope constructed for the experiment produces an inverted image of the object. To convert the astronomical telescope to a terrestrial telescope, mount an inverting lens in the system. Determine the position for an inverting lens that will not change the magnification of the telescope