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2. A train travels at a speed of 30mph and travel a distance of 240 miles. How long did it take the train to complete it’s journey?
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A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm
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Under the action of a constant force an object accelerates at 7.8 m/s2. what will the acceleration be if (a) the force is halved? (b) the object's mass is halved? (c) the force and the object's mass are both halved? (d) the force is halved and the object's mass is doubled?
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2. A train travels at a speed of 30mph and travel a distance of 240 miles. How
long did it take the...
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