A cart of mass m = 0.25 kg rides on an air track that is tilted at an angle θ = 3° from the horizontal show answer Incorrect Answer What is the magnitude of the cart’s acceleration in m/s2?

Avalue that describes how heavy an object is and is related to the force of gravity is

You throw a baseball directly upward at time =0 at an initial speed of 14.9 m/s. what is the maximum height the ball reaches above where it leaves your hand? ignore air resistance and take =9.80 m/s2.

Asynthetic fiber used in manufacturing carpet has tensile strength that is normally distributed with mean 75.5 psi and standard deviation 3.5 psi. how is the standard deviation of the sample mean changed when the sample size is increased from n equals 8 to n equals 47