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A transverse wave is moving toward the right in a uniform medium. Point X represents a particle of the uniform medium. Which diagram represents the direction of the motion of particle X at the instant shown?
3
4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
Which graph represents the relationship between the speed of a freely falling object and the time of fall of the object near Earth’s surface?
3
4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
Which graph represents the motion of an object traveling with a positive velocity and a negative acceleration?
3
4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
Which diagram represents magnetic field lines between two north magnetic poles?
3
4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
A hair dryer with a resistance of 9.6 ohms operates at 120 volts for 2.5 minutes. The total electrical energy used by the dryer during this time interval is
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4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
A ball is hit straight up with an initial speed of 28 meters per second. What is the speed of the ball 2.2 seconds after it is hit? Neglect friction.
3
4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
A box weighing 46 newtons rests on an incline that makes an angle of 25° with the horizontal. What is the magnitude of the component of the box’s weight perpendicular to the incline?
3
4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
Which circuit has the largest equivalent resistance?
3
4
4
42 N
2
3
6.4 m/s
2.3 × 10^5 J
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