Tangential Velocity Lab Report

How does the acceleration in Data Table 2 compare with that of Data Table 1? Why do we observe this difference? In data table 1 the rate of a_calculated was 2.829 m/s2 and table 2 was 4.77m/s2. The acceleration in the first table would be less than table two due to the fact that less mass is added to the hanger. This in turn does not add a greater gravitational pull downward due to the greater level of mass.

A larger t-value means a larger variance in the means of the data, a smaller t-value means less difference between the means. The T table value is 1.0371. This number’s close proximity to 0 concludes that there is no significant difference in the number of coacervates. o we reject the alternative hypothesis, and accept the null. The strengths of this experiment are that there was the ability to test size and number in the same process.

To find the impulse for the highest drop, the value of the force exerted on the container was calculated by multiplying the mass with gravity, which equals 5.89 N. This force was then multiplied by the time it took for the drop, 1.53 s, which equalled an impulse of 9.01 Ns. The impulse and momentum is the same because, in a collision, an object experiences a force for a specific time interval that results in a change in momentum. The result of the force acting causes the object 's velocity to either change speed or direction. In conclusion, the impulse experienced by the object equals the change in momentum of the object, which can be seen in equation Ft = m Δ

This does not occur with every collision, so certain methods are used to increase the probability of a successful collision, and thus increasing the rate of reaction. One of these methods is increasing the concentrations of the reactants. Increased concentrations results in particles colliding more frequently, and more successful collisions will occur. On a graph, there would be a decreasing curve as the concentrations of reactants decreases as the reaction

It uses a balanced chemical equation, mole ratio, and sometimes needs mole mass. Molar mass is the mass in grams in one mole of substance. The units for molar mass are in grams per mole. Molar mass is the same number as the formula mass that needs to be found except it is converted. Formula mass is the mass in atomic mass unit of one particle of

The vibrational energy of the molecule will have increased by E after tunnelling. To reiterate, only when the difference in energy levels of the donor and acceptor is equal to the molecular vibrationsal energy, E, tunnelling occurs. Thus, the receptor detects a single well-defined energy, E, making it operate as a spectrometer. Only a molecule with the right vibrational energy present in the gap causes a tunnelling current to flow across the device, a prerequisite being the change in energy between the donor and acceptor levels being sufficiently large. The relative strengths of the coupling affects which state(s) will get excited if there are many vibrational modes.

In this case, the unbalanced force is rolling friction, and it always stayed the same throughout this experiment. What changed, was the container released from the taller ramp had more GPE, more Kinetic Energy, and more inertia, which caused it to go further up the ramp than the lower one released from the lower ramp, with less GPE, and less

(If it had a parallel component, then there would be a change in speed, which is no longer centripetal acceleration.) On the other hand, the magnitude can be derived as follows. Figure 1 depicts the initial and final vectors when an object traverses at constant speed around a circle with radius r. Extracting these vectors and applying the head to tail method of adding vectors, we see that we will form two similar

I think the data that I received from this experiment were relevant as the results were unexpected and contradicted my hypothesis giving me a different result to my research question. Next time for more reliability and validity in my experiment, I can find a way to make sure that as soon as the mass starts sliding the height is measured automatically. This can require an extra hand to help in the

Since the particles are in an area of high concentration, there is a greater likelihood of more collisions occurring, resulting in the particles being propelled in the opposite direction, or towards the area of low concentration, eventually leading to a sense of equilibrium of the particles on each side of the gradient. This is the diffusion of the particles. The greater the difference in concentration, the faster diffusion will occur because there are more chances of collision, thus, more chances for the particles to diffuse down their concentration gradient. It is also worth noting that the speed of diffusion is greatly influenced by particle size and temperature. Simple diffusion is unassisted and it does not require energy.