An airplane is traveling due east with a velocity of 7.5 × 102 kilometers/hour. there is a tailwind of 30 kilometers/hour. what is the value of the resultant velocity of the airplane?

Fill in the blank. the number of each type of element in the compound (other than 1) is represented by a small number to the right of the element symbol.

What is the speed of an object at a given moment?

Ahanging spring stretches by 35.0 cm when an object of mass 450 g is hung on it at rest. in this situation, we define its position as x = 0. the object is pulled down an additional 18.0 cm and released from rest to oscillate without friction. what is its position x at a moment 84.4 s later? express your answer in cm.