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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?
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
4.0 m/s^2
What is the angle of reflection?
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
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?
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
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?
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
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?
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
4.0 m/s^2
A displacement vector with a magnitude of 20. meters could have perpendicular components with magnitudes of
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
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
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
4.0 m/s^2
A unit used for a vector quantity is
newton
5.0 m/s^2
1.5 m/s^2
7.0 km
12 m and 16 m
2.5 m/s^2 west
60.°
4.0 m/s^2
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