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2. A sprinter comes off her starting blocks at an angle of 40 degrees from the horizontal. The force exerted against the starting blocks is

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2. A sprinter comes off her starting blocks at an angle of 40 degrees from the horizontal. The force exerted against the starting blocks is 1500 N. a. What are the vertical and horizontal components of this force? b. How much of this force is effective in giving her forward or horizontal speed

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