A Motorcycle Daredevil Wants to Ride Up a 50 $\degree$ Incline to the Ground

question 35

Multiple Choice

A motorcycle daredevil wants to ride up a 50.0 m ramp set at a 30.0 $\degree$ incline to the ground.It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels.If the speed at the instant when he leaves the ramp is 60.0 m/s,how many barrels can be used?

• A)79
• B)318
• C)332
• D)355
• E)402

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Definitions:

Rejection Region

The rejection region is a concept in hypothesis testing that represents the set of values for which the null hypothesis is considered not likely to be true and is therefore rejected.

ρ Values

Often symbolizes correlation coefficients in statistics, representing the strength and direction of the linear relationship between two variables.

r Values

A measure of the strength and direction of a linear relationship between two variables, ranging from -1 to 1.

Hypotheses Testing

A statistical method used to determine whether there is enough evidence in a sample of data to infer that a certain condition is true for the entire population.