A vector is located in the x-y plane. The x- and y-components of this vector are 4.00 m and 3.00 m, respectively. Find the angle that this vector makes with the positive y-axis
A) 53.1°
B) 36.9°
C) 126.9°
D) 22.4°
E) 48.6°
A
Physics & Space Science
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If the temperature changes by 
then what is the change in temperature in Fahrenheit?
A. 27
B. 30
C. 32
D. 40
E. 47
Physics & Space Science
Find the electrical potential at 0.055 m from a point charge of 6.0 mC. (ke = 8.99 × 10^9 N×m2/C2)
a. 1.5 × 10^5 V c. 9.8 × 10^5 V b. 1.2 × 10^7 V d. 3.6 × 10^5 V
Physics & Space Science
Of the following substances, which one contains the highest density of free electrons?
a. hard rubber b. iron c. amber d. glass
Physics & Space Science
What are two important properties that determine the pressure drop of a fluid passing through a compact heat exchanger?
What will be an ideal response?
Physics & Space Science