OBJECTIVE To show that the time of flight of a horizontal projectile is independent of its initial velocity To verify that the horizontal component of the velocity (vx) of a projectile is constant during its motion To study the relationship between the angle of the projectile (θ) and its range (dx). Click this link and follow the steps below. Accordingly record and observe. Go to Lab, and you will find the required experiment in front of you. Set the height of the cannon to 7 meters Set the object to pumpkin, and set the mass to 16 kg, the diameter 0.10 m, and the gravity to 9.8 m/s2 Make sure not to include air resistance just yet. Adjust the angle to 45 degrees, set the initial speed to 15 m/s, start the simulation, and record your observation below in the table. Set the angle to 80 degrees and keep the same speed. Record your observations. Make the angle to 10 degrees and keep the same speed. Record your observations. Use this tool to measure such values. Can be found at the top. Values 45 80 10 Range dx Max Height dyMAX Final velocity vf Q1. What do you notice about each trial regarding the range? Q2. What do you notice about the height? Q3. What effect does the angle have on the Range, Max Height, and Final Velocity? Would you consider the angle to be a dependent variable or an independent variable?

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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OBJECTIVE

To show that the time of flight of a horizontal projectile is independent of its initial velocity
To verify that the horizontal component of the velocity (vx) of a projectile is constant during its motion
To study the relationship between the angle of the projectile (θ) and its range (dx).

Click this link and follow the steps below. Accordingly record and observe.

Go to Lab, and you will find the required experiment in front of you.
Set the height of the cannon to 7 meters
Set the object to pumpkin, and set the mass to 16 kg, the diameter 0.10 m, and the gravity to 9.8 m/s2

Make sure not to include air resistance just yet.

Adjust the angle to 45 degrees, set the initial speed to 15 m/s, start the simulation, and record your observation below in the table.
Set the angle to 80 degrees and keep the same speed. Record your observations.
Make the angle to 10 degrees and keep the same speed. Record your observations.
Use this tool to measure such values. Can be found at the top.

Values	45	80	10
Range dx
Max Height dyMAX
Final velocity vf

Q1. What do you notice about each trial regarding the range?

Q2. What do you notice about the height?

Q3. What effect does the angle have on the Range, Max Height, and Final Velocity? Would you consider the angle to be a dependent variable or an independent variable?

Find the range and time from the simulator and calculate the horizontal velocity of the projectile for 45 degrees.

Range dx	Time of flight t	Horizontal Velocity vx=dxt
5.3
7.42
	0.8
	1.6
	2.6
	0.4
7.39
8.86
10.34
14.77

Q1. What do you conclude about the horizontal velocity in each point?

Q2. What is the acceleration of the projectile throughout the whole trial?

Q3. Why does the final velocity change?

Q4. Theoretically, and in your opinion (without checking the lab in phet), what do you think will happen if we add air resistance?

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