Mark Throws a Ball to Daniel with an Initial Speed

question 21

Multiple Choice

Mark throws a ball to Daniel with an initial speed of 20 m/s at an angle of 45 degrees.If they are initially 55 m apart,calculate the average speed Daniel has to run to catch the ball.(Assume the ball is thrown and caught at the same height.Also assume that Daniel starts to run when the ball is thrown.)

• A)19 m/s
• B)14 m/s
• C)4.9 m/s
• D)9.1 m/s
• E)2.9 m/s

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