During world war i, the germans had a gun called big bertha that was used to shell paris. the shell had an initial speed of 2.61 km/s at an initial inclination of 81.9° to the horizontal. the acceleration of gravity is 9.8 m/s^2. how far away did the shell hit? answer in units of km how long was it in the air? answer in units of s.
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Acar drives toward the right over the top of a hill, as shown below. which arrow represents the centripetal acceleration? w x y z
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Rank the six combinations of electric charges on the basis of the electric force acting on q1. define forces pointing to the right as positive and forces pointing to the left as negative. rank positive forces as larger than negative forces. q1,q2,q3 = positive(+) q1 = + q2 = + q3 = - q1 = + q2= - q3= + q1= - q2= + q3= + q1= + q2= - q3= - q1,q2,q3 = negative
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During world war i, the germans had a gun called big bertha that was used to shell paris. the shell...
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