An auto, starting from rest, undergoes constant acceleration and covers a distance of 1250 meters. The final speed of the auto is 50 meters/sec. How long does it take the car to cover the 1250 meters?
A. 0.05 s
B. 72,000 s
C. 50 s
D. 30 s
Answer: C
Physics & Space Science
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A charge Q is uniformly distributed along the x axis from x = a to x = b. If Q = 45 nC, a = ?3.0 m, and b = 2.0 m, what is the electric potential (relative to zero at infinity) at the point, x = 8.0 m, on the x axis?
A. 71 V B. 60 V C. 49 V D. 82 V E. 150 V
Physics & Space Science
Conductor A has 16 electrons and conductor B has 32 electrons. The ratio of the valence electrons of conductor A and conductor B is given as
A) 1:2. B) 2:1. C) 1:3. D) 3:1. E) 3:2.
Physics & Space Science
The compound BeF2 is named ______________
Fill in the blank(s) with correct word
Physics & Space Science
Which of the following volcanoes is in the United States?
a. Paracutin b. Surtsey c. Mount Pelée d. Mount Saint Helens
Physics & Space Science