Part 6 of 8 - Analyze (cont.) The students follow Cameron's plan. They measure a maximum range of 1.90 m. Use their data to find the muzzle speed. Rmax m/s Vo = ]m)(9.81 m/s²) =

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Part 5 of 8 - Analyze
The students must use their trial shot to find the muzzle speed. They need a plan. Read their discussion and
decide who has the best plan.
Cameron: Let's set the launcher to 45°. We will then just measure the distance between the launcher and
where the ball lands. This is the maximum range so we find the muzzle speed using the range equation.
Avi: The angle doesn't matter. Just launch the ball at any angle. Time how long it takes to land, and measure
the distance between the launcher and the place where it lands. The muzzle speed is just that distance divided
by the time.
In choosing between the two plans, consider the reasoning behind each statement below. Then select all the
answers that have good reasoning and the correct plan.
O Cameron has made a mistake. There is nothing special about launching the ball at 45°. Avi's plan
is correct.
|Cameron is correct. The range equation works for this trial shot because the ball lands at the
same height as the launcher. There is no need to measure time. Correct. Be sure you find one
other correct answer.
]Avi has made a mistake. This distance and time will only allow them to calculate the
x component of the muzzle speed. Cameron's plan is correct. Correct. Be sure you find one
other correct answer.
Cameron has made a major mistake; they cannot use the range equation in this problem. Avi is
correct. They must measure time and distance to get a speed.
Cameron has made a mistake. There is no way to get a speed without measuring a time. Avi's
plan is correct.
Part 6 of 8 - Analyze (cont.)
The students follow Cameron's plan. They measure a maximum range of 1.90 m. Use their data to find the
muzzle speed.
Rmax =
Vo =
|m)(9.81 m/s²)
m/s
Transcribed Image Text:Part 5 of 8 - Analyze The students must use their trial shot to find the muzzle speed. They need a plan. Read their discussion and decide who has the best plan. Cameron: Let's set the launcher to 45°. We will then just measure the distance between the launcher and where the ball lands. This is the maximum range so we find the muzzle speed using the range equation. Avi: The angle doesn't matter. Just launch the ball at any angle. Time how long it takes to land, and measure the distance between the launcher and the place where it lands. The muzzle speed is just that distance divided by the time. In choosing between the two plans, consider the reasoning behind each statement below. Then select all the answers that have good reasoning and the correct plan. O Cameron has made a mistake. There is nothing special about launching the ball at 45°. Avi's plan is correct. |Cameron is correct. The range equation works for this trial shot because the ball lands at the same height as the launcher. There is no need to measure time. Correct. Be sure you find one other correct answer. ]Avi has made a mistake. This distance and time will only allow them to calculate the x component of the muzzle speed. Cameron's plan is correct. Correct. Be sure you find one other correct answer. Cameron has made a major mistake; they cannot use the range equation in this problem. Avi is correct. They must measure time and distance to get a speed. Cameron has made a mistake. There is no way to get a speed without measuring a time. Avi's plan is correct. Part 6 of 8 - Analyze (cont.) The students follow Cameron's plan. They measure a maximum range of 1.90 m. Use their data to find the muzzle speed. Rmax = Vo = |m)(9.81 m/s²) m/s
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