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Fofino [41]
2 years ago
11

The range is the horizontal distance from the cannon when the pumpkin hits the ground. This distance is given by the product of

the horizontal velocity (which is constant) and the amount of time the pumpkin is in the air (which is determined by the vertical component of the initial velocity, as you just discovered). Set the initial speed to 14 m/s, and fire the pumpkin several times while varying the angle between the cannon and the horizontal. For which angle is the range a maximum (with the initial speed held constant)?
Angle:
0
60
45
90
30
Physics
1 answer:
jarptica [38.1K]2 years ago
3 0

The answer is 45 degrees.  I am not doing a field experiment for you that involves a cannon and a day's work, for 5 points.

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If 0.035pC of charge is transferred via the movement of Al3+ ions, how's many of these must be transferred in total? Please add
mr Goodwill [35]

Each Al^+^3 ion contains three extra protons. Hence, the extra charge on each  Al^+^3 = 3 \times 1.6 \times 10^-^1^9 C

Total charge = 0.035 pC

Total charge (Q) = 0.035 \times 10^-^1^2 C

Let the number of Al^+^3 ions be n.

According to question:

n \times 3 \times 1.6 \times 10^-^1^9 =0.035 \times 10^-^1^2

n = \frac{0.035 \times 10^-^1^2}{3 \times 1.6 \times 10^-^1^9}

n = 7.29167 \times 10^4

n = 72917

Hence, the total number of ions needed to be transferred is 72917

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3 years ago
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The Cell Membrane is what controls what enters and leaves the cell.
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Gravity __________ your kinetic energy when you are driving uphill and __________it when you are driving downhill.
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OlgaM077 [116]

Answer:

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Explanation:

Taking down to be positive:

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3 0
3 years ago
HHHEEEEELLLPPPP!!!
SIZIF [17.4K]
The correct answer is the Sun.i hope that helped! if you have any questions or concerns about the answer i gave you please let me know!!
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