Physics Collision Problem! Mastering Physics

Posted on 2014-03-26 10:22:00 in Physics by LIVELAUGHLOVE

Can someone people help me with this problem!

One week in lab, you're given a spring-loaded bar that can be used to strike a metal ball. Your assignment is to measure what size impulse the bar delivers to the ball. You and your lab partner decide to place several balls of different mass on the edge of the lab table, use the striker to launch them horizontally, and measure the horizontal distance to where each ball hits the floor. After measuring the table height to be 1.5 m, you and your partner acquire the following data:

Mass, m(g) Range, R(cm)

100 247

150 175

200 129

250 98



A)Let the table height be h and the horizontal distance traveled by the ball be its range R. Find an expression for the range. The range depends on h, the ball's mass m, and the impulse J.

Express your answer in terms of the variables J, m, h, and appropriate constants.

R=??



B) B

You want to determine the impulse delivered by the bar to the ball by graphing the data. Select the appropriate variables to graph on each axis that will produce a straight-line graph whose slope is related to J?

Sort all variables into the appropriate bins.



Options:

m

m^2

R

h^(½)

1/m



Bins:

Horizontal Axis

Vertical Axis

Not Used

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