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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
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
4.0 m/s^2
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?
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
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?
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
4.0 m/s^2
A car with an initial velocity of 16.0 meters per second east slows uniformly to 6.0 meters per second east in 4.0 seconds. What is the acceleration of the car during this 4.0-second interval?
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
4.0 m/s^2
A unit used for a vector quantity is
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
4.0 m/s^2
What is the angle of reflection?
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
4.0 m/s^2
A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
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?
60.°
12 m and 16 m
2.5 m/s^2 west
7.0 km
9.4 × 10^4 N/C
newton
5.0 m/s^2
4.0 m/s^2
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