An area of 1.00 × 102 cm2 is how many square meters?
A) 1.00 m2
B) 1.00 × 102 m2
C) 1.00 × 10-2 m2
D) 1.00 × 104 m2
E) 1.00 × 10-3 m2
C
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Potential of Point-Charges: Four charged particles (two having a charge +Q and two having a charge -Q) are arranged in the xy-plane, as shown in the figure. These particles are all equidistant from the origin. The electric potential (relative to infinity) at point P on the z-axis due to these particles, is
A. zero. B. positive. C. negative. D. impossible to determine based on the information given.
Suppose that the Sun shrank in size but that its mass remained the same. What would happen to Earth's orbit?
A) The size of Earth's orbit would shrink, and it would take less than one year to orbit the Sun. B) Earth's orbit would expand, and it would take more than one year to orbit the Sun. C) Earth's orbit would be unaffected. D) Earth would change from a bound orbit to an unbound orbit and fly off into interstellar space.
A child drops a toy at rest from a point 4.0 m above the ground at the same instant her friend throws a ball upward at 6 m/s from a point 1.0 m above the ground. At what distance above the ground do the ball and the toy cross paths?
What will be an ideal response?
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