Two identical particles, each with a mass of 4.5 ?g and a charge of 30 nC, are moving directly toward each other with equal speeds of 4.0 m/s at an instant when the distance separating the two is equal to 25 cm. How far apart will they be when closest to one another?
a. 9.8 cm
b. 12 cm
c. 7.8 cm
d. 15 cm
e. 20 cm
c
Physics & Space Science
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If the tank of a car holds 16. gallons of gasoline (a) this is equivalent to how many liters of gasoline? (b) how many kilometers can it travel on one tank if it gets 25 miles/gal?
What will be an ideal response?
Physics & Space Science
Because it has a higher percentage of ________, Neptune appears even bluer than Uranus
Fill in the blank(s) with correct word
Physics & Space Science
What do we see in this photo?
A) Neptune B) Venus C) Mars D) Pluto E) Eris
Physics & Space Science
When starting from rest at the bottom of a straight road with constant upward slope, Joan bicycles to the top 50.0 s ahead of Sally, whose travel time is 5.00 minutes. What is the ratio of Joan's acceleration to Sally's acceleration?
a. 0.694 b. 0.833 c. 1.20 d. 1.44 e. 6.00
Physics & Space Science