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An electric field exerts an electrostatic force of magnitude 1.5 × 10^−14 newton on an electron within the field. What is the magnitude of the electric field strength at the location of the electron?
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
A car traveling in a straight line at an initial speed of 8.0 meters per second accelerates uniformly to a speed of 14 meters per second over a distance of 44 meters. What is the magnitude of the acceleration of the car?
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
If a block is in equilibrium, the magnitude of the block’s acceleration is
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
An object starts from rest and falls freely for 40. meters near the surface of planet P. If the time of fall is 4.0 seconds, what is the magnitude of the acceleration due to gravity on planet P?
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
What is the angle of reflection?
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
On the surface of planet X, a body with a mass of 10. kilograms weighs 40. newtons. The magnitude of the acceleration due to gravity on the surface of planet X is
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
A hiker travels 1.0 kilometer south, turns and travels 3.0 kilometers west, and then turns and travels 3.0 kilometers north. What is the total distance traveled by the hiker?
12 m and 16 m
1.5 m/s^2
60.°
9.4 × 10^4 N/C
zero
5.0 m/s^2
7.0 km
4.0 m/s^2
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