How much charge must pass by a point in 20 s for the current to be 0.10 A?
A) 200 C
B) 50 C
C) 2.0 C
D) 0.005 C
C
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A transverse periodic wave is represented by the equation z(y, t) = 1.50 cm sin(1,250 rad/s t + 10.0
What is the direction of the velocity of the wave?
A. the x direction B. the y direction C. the z direction D. the t direction
What is the average power dissipated by a 25-? resistor in an LRC series ac circuit for which the power factor is equal to 0.25 and the maximum voltage of the ac source is 8.0 V?
A) 0.16 W B) 0.040 W C) 0.62 W D) 0.080 W E) 0.32 W
A single conservative force Fx = (6.0x - 12) N (x is in m) acts on a particle moving along the x axis. The potential energy associated with this force is assigned a value of +20 J at x = 0 . What is the potential energy at x = 3.0 m?
a. +11 J b. +29 J c. +9.0 J d. -9.0 J e. +20 J
The work done by a variable force in moving an object between two points is equal to the area under the force versus displacement curve between those two points
Indicate whether the statement is true or false