Does sound travel faster in a warm room or a cold room? explain your answer.

Gordon is going for a run through the park, but it is cold outside. the low outside temperature could affect his personal safety.

Aturntable that spins at a constant 74.0 rpm takes 3.10 s to reach this angular speed after it is turned on. find its angular acceleration (in rad/s2), assuming it to be constant, and the number of degrees it turns through while speeding up.

Suppose that two objects attract each other with a gravitational force of 16 units. if the distance between the two objects is double, what is the new force of attraction between the two objects?