[Math4u] Honors Physics understanding

       Hey everyone, I need some help. I have an Honors exam in Physics and I need to understand how to do these problems. I missed the nots from last class and need to catch up. If possible, please respond back soon. Thanks!

 

.          A runner with a good awareness of her pace runs along a path of unknown length at a speed of 0.20 mi/min and then walks back to her starting point at a speed of 0.05 mi/min.  She neglects to note her time for each part of her path, but she does measure the total round trip time to be 50.0 min.  How far has she run?

 

 

 

           Two sprinters run a 100. meter dash, with the winner finishing in 10.0 sec.  If the other runner was 1.00 m behind the winner at the finish, how long did it take her to run the 100 m.

 

 

            Two towns, A and B, are 200 miles apart.  Car 1 starts from town A and, at the same time, car 2 starts from town B.  They move toward each other with constant speeds:  car 1 at 50 mph, car 2 at 40 mph.  Where do the cars meet?  How long does it take for them to meet?

 

 

 

       If the distance an object traveled is plotted on a graph vs. time, what physical quantity does that slope represent?

 

       If the distance two objects traveled is plotted on a graph vs. time, how could you tell which object is moving faster?

 

       How does the distance vs. time graph of an object that is accelerating compare to the distance vs. time graph of an object that is undergoing uniform motion?

 

       Find the horizontal and vertical velocity component of a velocity of 50.0 m/s, 35.0°.

           

 

        Find the horizontal and vertical velocity of an object that moves from (5.00m, 3.50m) to (-2.00m, 4.00m) in 2.50 seconds. Find the magnitude and direction of the velocity.

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