A magnifying glass can be made from a diverging lens

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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Multiple-Object Accelerating Systems: A 3.0-kg mass and a 5.0-kg mass hang vertically at the opposite ends of a very light rope that goes over an ideal pulley. If the masses are gently released, what is the resulting acceleration of the masses?

A. 0.00 m/s2 B. 3.7 m/s2 C. 2.5 m/s2 D. 4.9 m/s2 E. 6.1 m/s2

Physics & Space Science

Which is NOT true?

A. A star that appears brighter than another is always closer. B. A blue Main Sequence star has a higher luminosity than a red main sequence star C. More massive Main Sequence stars are always both hotter and brighter than less massive Main Sequence stars D. A B-type Main Sequence star that appears 100 times brighter than another B type Main Sequence star is 10 times closer E. The spectrum of a star allows us to estimate its temperature

Physics & Space Science

We find that N current loops are coplanar and coaxial. The first has radius a and current I. The second has radius 2a and current 2I, and the pattern is repeated up to the Nth, which has radius Na and current NI. The current in each loop is counterclockwise as seen from above. The magnitude of the magnetic field at the center of the loops is

A.

.

B.

C.
.

D.
.

E.
.

Physics & Space Science

The polar caps on Mars are composed of

A) frozen carbon dioxide only. B) water ice only. C) both frozen carbon dioxide and water ice. D) frozen hydrogen. E) salt deposits.

Physics & Space Science