A beetle runs an erratic pattern on a square kitchen table that is 1.5 m on a side. The sides are arranged along the directions North/South and East/West. If he begins at the Southwest corner, and travels along one side to the adjacent corner in 20.0 s. He then turns north, and reaches the Northeast corner 12.5 s later. What is the magnitude of his average velocity for the whole trip?

A. 0.092 m/s
B. 0.098 m/s
C. 0.065 m/s
D. 0.033 m/s


B. 0.098 m/s

Physics & Space Science

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The _______________ states that an observer cannot distinguish locally the difference between inertial forces due to acceleration and uniform gravitational forces due to the presence of a massive object

Fill in the blank(s) with correct word

Physics & Space Science

When scrap iron in a boat is thrown overboard in a swimming pool, the pool level

A) rises. B) falls. C) remains unchanged.

Physics & Space Science

Three 10-ohm resistors take the shape of a triangle, one resistor in each leg. An ohm-meter across any two points of the triangle will show the equivalent resistance to be

A) 1.4 ohms. B) 5 ohms. C) 6.7 ohms. D) greater than 6.7 ohms.

Physics & Space Science

If a = 3.0 mm, b = 4.0 mm, Q1 = 60 nC, Q2 = ?80 nC, and q = 36 nC in the figure, what is the magnitude of the electric force on q?



a.
5.0 N

b.
4.4 N

c.
3.8 N

d.
5.7 N

e.
0.60 N

Physics & Space Science