Public Class Projectile_Motion
02 Dim initialHeight As Double ' Holds beginning height
03 Dim initialVelocity As Double ' holds velocity
04 Dim time As Double ' holds time
05 Dim heightVal As Double ' holds height at different intrvals in time
06
07 Private Sub btnmaxheight_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnmaxheight.Click
08 'Performs the calculation to determine the maximum height based on the initial velocity
09
10 time = CInt(initialVelocity / 32)
11 heightVal = initialHeight + time * initialVelocity - 16 * Math.Pow(time, 2)
12
13 Lstresults.Items.Add("Maximum height equals " & Math.Round(heightVal, 2) & " feet.")
14 End Sub
15
16 Private Sub btnApproxTime_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnApproxTime.Click
17
18 heightVal = initialHeight
19 time = 0
20 While heightVal > 0
21 time += 1
22 heightVal = initialHeight + time * initialVelocity - 16 * Math.Pow(time, 2)
23
24 End While
25 Lstresults.Items.Add("Approximate time until the ball will hit the ground - " & Math.Round(time, 2) & " seconds.")
26 End Sub
27
28
29
30 Private Sub btnDisplayTable_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDisplayTable.Click
31 Lstresults.Items.Add(vbTab & "Time" & vbTab & "Height")
32 Dim t As Double
33 For t = 0.0 To 5.0 Step 0.25
34 heightVal = initialHeight + t * initialVelocity - 16 * Math.Pow(t, 2)
35 If heightVal < 0 Then
36 Exit For
37 Else
38 Lstresults.Items.Add(vbTab & FormatNumber(t, 2) & vbTab & FormatNumber(heightVal, 1))
39
40 End If
41 Next
42 End Sub
43
44 Private Sub txtheight_leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtheight.Leave
45 'Displays an error message if the input isn't numeric
46 If Not IsNumeric(txtheight.Text) Then
47 MsgBox("Please input only numbers!")
48 txtheight.Clear()
49 txtheight.Focus()
50 End If
51 End Sub
52
53 Private Sub txtVelocity_leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtVelocity.Leave
54 'Displays an error message if the input isn't numeric
55 If Not IsNumeric(txtVelocity.Text) Then
56 MsgBox("Please input only numbers!")
57 txtVelocity.Clear()
58 txtVelocity.Focus()
59 End If
60 End Sub
61
62 Private Sub btnQuit_Click(sender As System.Object, e As System.EventArgs) Handles btnQuit.Click
63 Me.Close()
64 End Sub
65 End Class
whitetigerz79 0 Newbie Poster
whitetigerz79 0 Newbie Poster
Sorry this should be more readable!!
Public Class Projectile_Motion
Dim initialHeight As Double ' Holds beginning height
Dim initialVelocity As Double ' holds velocity
Dim time As Double ' holds time
Dim heightVal As Double ' holds height at different intrvals in time
Private Sub btnmaxheight_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnmaxheight.Click
'Performs the calculation to determine the maximum height based on the initial velocity
time = CInt(initialVelocity / 32)
heightVal = initialHeight + time * initialVelocity - 16 * Math.Pow(time, 2)
Lstresults.Items.Add("Maximum height equals " & Math.Round(heightVal, 2) & " feet.")
End Sub
Private Sub btnApproxTime_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnApproxTime.Click
heightVal = initialHeight
time = 0
While heightVal > 0
time += 1
heightVal = initialHeight + time * initialVelocity - 16 * Math.Pow(time, 2)
End While
Lstresults.Items.Add("Approximate time until the ball will hit the ground - " & Math.Round(time, 2) & " seconds.")
End Sub
Private Sub btnDisplayTable_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDisplayTable.Click
Lstresults.Items.Add(vbTab & "Time" & vbTab & "Height")
Dim t As Double
For t = 0.0 To 5.0 Step 0.25
heightVal = initialHeight + t * initialVelocity - 16 * Math.Pow(t, 2)
If heightVal < 0 Then
Exit For
Else
Lstresults.Items.Add(vbTab & FormatNumber(t, 2) & vbTab & FormatNumber(heightVal, 1))
End If
Next
End Sub
Private Sub txtheight_leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtheight.Leave
'Displays an error message if the input isn't numeric
If Not IsNumeric(txtheight.Text) Then
MsgBox("Please input only numbers!")
txtheight.Clear()
txtheight.Focus()
End If
End Sub
Private Sub txtVelocity_leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtVelocity.Leave
'Displays an error message if the input isn't numeric
If Not IsNumeric(txtVelocity.Text) Then
MsgBox("Please input only numbers!")
txtVelocity.Clear()
txtVelocity.Focus()
End If
End Sub
Private Sub btnQuit_Click(sender As System.Object, e As System.EventArgs) Handles btnQuit.Click
Me.Close()
End Sub
End Class whitetigerz79 0 Newbie Poster
I got IT!!
[
Public Class Projectile_Motion
Dim startVelocity, startHeight, heightVal, time As Double
Private Sub btnmaxheight_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnmaxheight.Click
'Performs the calculation to determine the maximum height based on the initial velocity
startVelocity = txtVelocity.Text
startHeight = txtheight.Text
time = CInt(startVelocity / 32)
heightVal = startHeight + time * startVelocity - 16 * Math.Pow(time, 2)
Lstresults.Items.Add("Maximum height equals " & Math.Round(heightVal, 2) & " feet.")
End Sub
Private Sub btnApproxTime_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnApproxTime.Click
startVelocity = txtVelocity.Text
startHeight = txtheight.Text
heightVal = startHeight
time = 0
While heightVal > 0
time += 1
heightVal = startHeight + time * startVelocity - 16 * Math.Pow(time, 2)
End While
Lstresults.Items.Add("Approximate time until the ball will hit the ground - " & Math.Round(time, 2) & " seconds.")
End Sub
Private Sub btnDisplayTable_click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles btnDisplayTable.Click
Lstresults.Items.Add(vbTab & "Time" & vbTab & "Height")
startVelocity = txtVelocity.Text
startHeight = txtheight.Text
Dim t As Double
For t = 0.0 To 5.0 Step 0.25
heightVal = startHeight + t * startVelocity - 16 * Math.Pow(t, 2)
If heightVal < 0 Then
Exit For
Else
Lstresults.Items.Add(vbTab & FormatNumber(t, 2) & vbTab & FormatNumber(heightVal, 1))
End If
Next
End Sub
Private Sub txtheight_leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtheight.Leave
'Displays an error message if the input isn't numeric
startHeight = txtheight.Text
If Not IsNumeric(txtheight.Text) Then
MsgBox("Please input only numbers!")
txtheight.Clear()
txtheight.Focus()
End If
End Sub
Private Sub txtVelocity_leave(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles txtVelocity.Leave
'Displays an error message if the input isn't numeric
startVelocity = txtVelocity.Text
If Not IsNumeric(txtVelocity.Text) Then
MsgBox("Please input only numbers!")
txtVelocity.Clear()
txtVelocity.Focus()
End If
End Sub
Private Sub btnQuit_Click(sender As System.Object, e As System.EventArgs) Handles btnQuit.Click
Me.Close()
End Sub
End Class
kingsonprisonic 42 Posting Whiz in Training
I got IT!!
Will your problem solved??? or you have any error?
whitetigerz79 0 Newbie Poster
Will your problem solved??? or you have any error?
I solved it. Thank you...it was so simple!! I don't know how I wasn't able to do it sooner
kingsonprisonic 42 Posting Whiz in Training
ok then mark this thread as solved.
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