Mini Launcher
012-05479B
®
8
Procedure
Part A: Determining the Initial Velocity of the Ball
➀
Put the ball into the Mini Launcher and cock it to the long range position. Fire one shot to
locate where the ball hits the floor. At this position, tape a piece of white paper to the
floor. Place a piece of carbon paper (carbon-side down) on top of this paper and tape it
down. When the ball hits the floor, it will leave a mark on the white paper.
➁
Fire about ten shots.
➂
Measure the vertical distance from the bottom of the ball as it leaves the barrel (this
position is marked on the side of the barrel) to the floor. Record this distance in Table
1.1.
➃
Use a plumb bob to find the point on the floor that is directly beneath the release point on
the barrel. Measure the horizontal distance along the floor from the release point to the
leading edge of the paper. Record in Table 1.1.
➄
Measure from the leading edge of the paper to each of the ten dots and record these
distances in Table 1.1.
➅
Find the average of the ten distances and record the value in Table 1.1.
➆
Using the vertical distance and the average horizontal distance, calculate the time of
flight and the initial velocity of the ball. Record in Table 1.1.
➇
Calculate the Total Average Distance. Record in Table 1.1.
Trial Number
Distance
1
2
3
4
5
6
7
8
9
10
Average Distance
Total Average Distance
Vertical distance = _____________
Horizontal distance to paper edge = ____________
Calculated time of flight = _________
Initial velocity = _______________
Table 1.1 Determining the Initial Velocity
Summary of Contents for MINI LAUNCHER ME-6825A
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