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Which forces can be either attractive or repulsive?
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
A car engine supplies 2.0 × 10^3 joules of energy during the 10. seconds it takes to accelerate the car along a horizontal surface. What is the average power developed by the car engine while it is accelerating?
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
If the magnitude of the electrostatic force exerted on the particle is 3.0 × 10^–3 newton, what is the charge of the particle?
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
What is the magnitude of the gravitational force of attraction between two 0.425-kilogram soccer balls when the distance between their centers is 0.500 meter?
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
The magnitude of the gravitational field strength near Earth’s surface is represented by
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
The work per unit charge required to move a charge between two points in an electric circuit defines electric
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
The current through the wire is
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
Which arrow represents the direction of the frictional force acting on the box?
2.0 × 10^2 W
0.80 A
D
1.5 × 10^–6 C
Fg/m
potential difference
magnetic and electrostatic
4.82 × 10^−11 N
Check it!