A block of clay is suspended as part of a ballistic pendulum (see Example 8.7). You have a gun that uses compressed air to fire a small 5.00 g ball into the clay. As you change the pressure of the air used to fire the ball, you can adjust the speed of the ball as it emerges from the gun. You fire the ball into the clay at a series of known speeds and measure the height to which the clay rises after the ball embeds within it. Your data are shown in the table below: Speed (m/s) Height (mm) 100 8.8 110 10.6 120 12.6 130 14.8 140 17.2 150 19.7 Make a plot of the square of the initial speed of the ball as a function of height. (Hint: Be sure to convert into SI units.) Using a linear “best-fit” to the data, determine the mass of the block of clay.
A block of clay is suspended as part of a ballistic pendulum (see Example 8.7). You have a gun that uses compressed air to fire a small 5.00 g ball into the clay. As you change the pressure of the air used to fire the ball, you can adjust the speed of the ball as it emerges from the gun. You fire the ball into the clay at a series of known speeds and measure the height to which the clay rises after the ball embeds within it. Your data are shown in the table below: Speed (m/s) Height (mm) 100 8.8 110 10.6 120 12.6 130 14.8 140 17.2 150 19.7 Make a plot of the square of the initial speed of the ball as a function of height. (Hint: Be sure to convert into SI units.) Using a linear “best-fit” to the data, determine the mass of the block of clay.
A block of clay is suspended as part of a ballistic pendulum (see Example 8.7). You have a gun that uses compressed air to fire a small 5.00 g ball into the clay. As you change the pressure of the air used to fire the ball, you can adjust the speed of the ball as it emerges from the gun. You fire the ball into the clay at a series of known speeds and measure the height to which the clay rises after the ball embeds within it. Your data are shown in the table below:
Speed (m/s)
Height (mm)
100
8.8
110
10.6
120
12.6
130
14.8
140
17.2
150
19.7
Make a plot of the square of the initial speed of the ball as a function of height. (Hint: Be sure to convert into SI units.) Using a linear “best-fit” to the data, determine the mass of the block of clay.
Using the Experimental Acceleration due to Gravity values from each data table, Data Tables 1, 2, and 3; determine the Standard Deviation, σ, mean, μ, variance, σ2 and the 95% Margin of Error (Confidence Level) Data: Ex. Acc. 1: 12.29 m/s^2. Ex. Acc. 2: 10.86 m/s^2, Ex. Acc. 3: 9.05 m/s^2
In the Super Smash Bros. games the character Yoshi’s has a “ground pound” down special move where he launches himself downward to attack an enemy beneath him. A) If Yoshi flings himself downwards at 9.76 miles per hour to hit an enemy 10.5 m below him, how fast is Yoshi traveling when he hits the enemy? 1 mile = 1609 m B) How much time does it take Yoshi to hit the enemy beneath him?
College Physics: A Strategic Approach (3rd Edition)
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