A bullet is fired from ground level with a speed of 150 m/s at an angle 30° above the horizontal at a location where g = 10.0 m/s2. How long does it take before the bullet hits the ground?
A) 10 seconds
B) 5.0 seconds
C) 15 seconds
D) 7.5 seconds
E) 30 seconds
C
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An object is being acted upon by three forces and moves with a constant velocity. One force is 60.0 N along the x-axis, the second is 75.0 N along the y-axis. What is the magnitude of the third force?
A) 135 N B) 15.0 N C) 48.0 N D) 67.5 N E) 96.0 N
Which type of force would be the equal and opposite force to a gravitational force?
A. gravitational B. electromagnetic C. strong D. weak E. It could be any one of the above or some combination of them.
Six trillion miles is equivalent in distance to one ______________
Fill in the blank(s) with correct word
A 1200-kg car is pulling a 500-kg trailer along level ground. Neglect the friction force exerted by the road on the trailer. The car accelerates with an acceleration of 1.3 m/s2. What is the force exerted by the car on the trailer?
A) 550 N B) 600 N C) 650 N D) 700 N E) 750 N