# Projectile Motion Lab Report

Categories: GravityMotion

### Background

Velocity is constant at 9.8 m/s2 due to the fact that of the force of gravity. For experiment 1 the velocity will be calculated by determining “x” and “y” and using the combined x & & y equations to solve for Vo. Vo= x ⌠ g/2y. For experiment 2 the range equation for distance x= R is applicable considering that the launch and landing elevations are the very same. R=( Vo2sin2ᶿ)/ g Goal

The objective of experiment one is to identify the distance a falling object will take a trip when the launch height is altered.

The goal of experiment two is to observe the range, x= R, a projectile will travel when the launch angle is changed. Velocity is consistent at 9.8 m/s2 in all the experiments due to gravity. Hypothesis

Experiment 1: When the height is raised, the marble will have more time to continue traveling at its initial speed while the gravitational force is acting upon it, increasing the range the marble travels while falling.

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Experiment 2: The variety of the rocket will decrease as the angle launched moves far from 45 degrees. Experiment

### Products:

Experiment 1: Ramp, marble, corn starch, 4 sheets of building paper, tape measure, monofilament line, fishing sinker, paper towel, water. Experiment 2: 4 Squeeze Rockets ™, 1 Capture Rocket ™ Bulb, Protractor, Measuring tape, Stop-watch. Approach:

A possible source for error may depend on the way in which the corn starch splatters onto the construction paper after falling. This may cause an inaccurate reading of measurement of distance. Another possible source of error may originate with the distance of the dropped marble from the top of the head.

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The marble may not be dropped at the exact same distance each time altering the results, possibly time.

### Conclusion

The results support the hypothesis for both experiments. For experiment one, the distance traveled by the marble increased when the table height was elevated. For experiment two, the range of the rocket decreased with a
decrease in angle. References

• Giancoli, Physics: Principles with Applications, Volume 2, 2004