The Milky Way is smaller than most members of the Local Group
Indicate whether the statement is true or false
FALSE
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A 1.8-kg block is released from rest at the top of a rough 30° inclined plane. As the block slides down the incline, its acceleration is 3.0 m/s2 down the incline. Determine the magnitude of the force of friction acting on the block.
A. 4.2 N B. 3.0 N C. 3.4 N D. 3.8 N E. 2.3 N
Carbon has a negative temperature coefficient of resistance of –0.5 × 10^–3 (°C)?1 . What temperature increase would result in a resistance decrease of 1.0% for a carbon resistor?
a. 2.0°C b. 20°C c. 20°C d. 50°C e. 100°C
Addition by 1. Components: Vector 
has a magnitude of 6.0 m and points 30° east of south. Vector 
has a magnitude of 4.0 m and points 30° west of north. The resultant vector 
+ 
is given by
A. 2.0 m at an angle of 30° north of west. B. 2.0 m at an angle of 30° east of south. C. 10.0 m at an angle of 60° north of west. D. 10.0 m at an angle of 60° east of south. E. 1.0 m at an angle of 60° north of west.
The concept of pressure involves both
A) force and volume. B) force and area. C) area and volume.