When you walk at an average speed of 4 m/s, in 5 s you'll cover a distance of
A) 2 m.
B) 10 m.
C) 15 m.
D) 20 m.
Answer: D
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In general, ____
a. spiral galaxies are the most common galaxies, and are make up most of the cataloged galaxies b. elliptical galaxies are the most common galaxies, and are make up most of the cataloged galaxies c. most cataloged galaxies are spiral, but dwarf galaxies are the most common d. most cataloged galaxies are elliptical, but spiral galaxies are the most common e. most cataloged galaxies are spiral, but elliptical galaxies are the most common.
On the graphs shown, you can identify an ice age by looking for __________.
A. a trough (bottom of a dip) on the temperature graph B. a peak on the temperature graph C. a trough (bottom of a dip) on the carbon dioxide graph D. a place on the temperature graph where the temperature curve falls steeply
A 6.00-m long rope is under a tension of 600 N. Waves travel along this rope at 40.0 m/s. What is the mass of the rope?
A) 1.00 kg B) 1.25 kg C) 2.25 kg D) 2.50 kg E) 1.12 kg
The core of a long solenoid with 1000 turns/m and a current of 0. 5 A is filled with an unknown material. It is found that the magnetic field along the axis of the solenoid increases by 0.0017%
What is the magnetic susceptibility of the unknown material? A) 1.7 × 10-5 B) 3.4 × 10-5 C) 0.0048 D) -3.4 × 10-5 E) 0.0021