Difference between means of two normally distributed
In testing the difference between the means of two normally distributed populations using large independent random samples, the alternative hypothesis indicates no differences between the two specified means.
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What is the magnitude of the impulse applied to the projectile by its weight from t = 0 s to 3 s? GIVEN: Mass of projectile= 20 kg initial velocity = 20 m/s @ θ=60 magnitude of velocity = 15.5 m/s @ t=3 sec
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