Based on the information given, the alternative hypothesis will be that the observed variables have different effects on the decreasing rates of injury and absenteeism.
It should be noted that the alternative hypothesis suggests a statistical difference between the observed variables.
The question is about the effects of strength training, aerobic training, and yoga on decreasing rates of injury and absenteeism. In this case, the alternative hypothesis will be that the observed variables have different effects on the decreasing rates of injury and absenteeism.
Learn more about hypothesis on:
brainly.com/question/16931413
Answer:
The maximum velocity acquired by the car is 9.6 m/s.
Explanation:
The total time elapsed (t) = 8 s
⇒
⇒
⇒
⇒ 5v = 48
∴ v = 9.6 m/s
The maximum velocity acquired by the car is 9.6 m/s.
The change in the kinetic energy of the system from when it is released to the instant it hits the ground is most nearly; (My + Mx)gH
We are told that the two objects X and Y are held together by a light string.
Their masses are;
Mass of Object X = Mx
Mass of objetc Y = My
Since the two objects are released from rest, it means we need to find potential energy and the formula for potential energy is;
P.E = mgh
Now, since both objects are released from rest and since My is larger than Mx, it means that potential energy is now;
ΔP.E = (My + Mx)gH
Now, according to conservation of energy,
Change in kinetic energy = Change in potential energy.
Thus;
Change in kinetic energy = (My + Mx)gH
Read more about Conservation of energy at; brainly.com/question/11549071