A weight lifter can bench press How many milligrams is this?
A) 1.71 × 108 mg
B) 1.71 × 109 mg
C) 1.71 × 107 mg
D) 1.71 × 106 mg
A
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Uniform Circular Motion: One way that future space stations may create artificial gravity is by rotating the station. Consider a cylindrical space station 380 m in diameter that is rotating about its longitudinal axis. Astronauts walk on the inside surface of the space station. How long will it take for each rotation of the cylinder if it is to provide "normal" gravity for the astronauts?
A. 28 s B. 39 s C. 6.2 s D. 4.4 s
The density of a neutron star is comparable to the density of an atomic nucleus
Indicate whether the statement is true or false
An iron specimen
Coil 1, connected to a 100-? resistor, sits inside coil 2 . Coil 1 is connected to a source of 60 cycle per second AC current. Which statement about coil 2 is correct?
a. No current will be induced in coil 2. b. DC current (current flow in only one direction) will be induced in coil 2. c. AC current (current flow in alternating directions) will be induced in coil 2. d. DC current will be induced in coil 2, but its direction will depend on the initial direction of flow of current in coil 1. e. Both AC and DC current will be induced in coil 2.