After the foot leaves the ball, the acceleration is always downward and is equal to g at all points
A potential problem is that you are willing to accept a <u>5% </u>chance of being wrong if you reject the null hypothesis.
The significance level is the probability of rejecting the null hypothesis if it is true. For example, a significance level of 0.05 indicates a 5% risk of concluding that there is a difference when there is actually no difference. Rejecting the true null hypothesis results in a Type I error.
The smaller the value of α the more difficult it is to reject the null hypothesis. Therefore, choosing a low value for α can reduce the likelihood of Type I errors. The result here is that if the null hypothesis is false, it may be more difficult to reject using a lower value for α. The alpha value or statistical significance threshold is arbitrary. Which value to use depends on your field of study.
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Answer:
Speed is a measure of how quickly an object moves from one place to another. It is equal to the distance traveled divided by the time.
Answer:

Explanation:
Length of the conveyor belt is given as

time taken to cook one burger is given as

now we can find the speed of the belt as



Now we know that the distance between two burgers is given as 25 cm

now the production rate of burgers is given as




