You push on a wall, and the wall pushes back on you with the same force. This is an example of Newton's third law
Indicate whether the statement is true or false
T
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Addition by Components: Two perpendicular vectors, and
, are added together giving vector
. If the magnitudes of both vectors
and
are doubled without changing their directions, the magnitude of vector
src="https://sciemce.com/media/4/ppg__cp1pbb0313192044__f15g1q7g6.jpg" style="vertical-align: -5.0px;" /> will
A. increase by a factor of 8.
B. increase by a factor of 4.
C. increase by a factor of 2.
D. increase by a factor of .
E. not change.
A car's speed 3 seconds after accelerating from rest at 2 m/s2 is
A) 2 m/s. B) 3 m/s. C) 4 m/s. D) 6 m/s.
A pot that falls from a ledge and hits the ground 45 m below hits the ground at
A) 30 m/s. B) 60 m/s. C) 120 m/s. D) more than 120 m/s.
If R = 3.0 k?, C = 5.0 mF, ? = 6.0 V, Q = 15 mC, and I = 4.0 mA, what is the potential difference Vb?Va?
A. ?3.0 V B. +9.0 V C. ?15 V D. +21 V E. ?6.0 V