The collision of two spiral galaxies will likely result in a single giant spiral galaxy

Indicate whether the statement is true or false


FALSE

Physics & Space Science

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Momentum: A 0.14-kg baseball is dropped from rest from a height of 2.0 m above the ground. What is the magnitude of its momentum just before it hits the ground if we neglect air resistance?

A. 0.28 kg ? m/s B. 0.88 kg ? m/s C. 0.44 kg ? m/s D. 0.62 kg ? m/s E. 1.4 kg ? m/s

Physics & Space Science

The radius of the earth is R. At what distance above the earth's surface will the acceleration of gravity be 4.9 m/s2?

A) 0.41R B) 0.50R C) 1.0R D) 1.4R E) 2.0R

Physics & Space Science

Which kinds of waves can be polarized?

a. longitudinal waves b. dispersed waves c. refracted waves d. sound waves in air e. transverse waves

Physics & Space Science

A coil of wire is connected to a galvanometer. When a bar magnet is moved in and out of the coil, the galvanometer records a current. The current results because

a. the coil acts like a transformer b. the changing magnetic field induces an electric field in the wire c. an electromagnetic wave is generated d. the wire is ferromagnetic e. none of the above

Physics & Space Science