1. An athlete running at the velocity of 23ms due cast is confronted with two trade winds. One wind
traveling at 10ms in a direction of N 65º E and
the other wind traveling at Sms in a direction
S 70° E. Find the resoltant velocity and direction
of the athlete.​

If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant

Aflask with vinegar in it has a mass of 160 grams. a balloon with baking soda in it has a mass of 40 grams. the balloon is attached to the flask to seal the opening and the vinegar and baking soda mixes. the balloon inflates to a large volume. what will the total mass of the balloon and flask be after the balloon inflates? explain. a) less than 200 grams because the solid baking soda disappears. b) 200 grams, because all the atoms remain in the balloon or flask. c) more than 200 grams because the size of the balloon is so much larger. d) less than 200 grams because gases such as the one in the balloon are lighter than solids and liquids.

When you hold a rectangular object, how does the area of the side that is resting on your hand affect the pressure and the force that the object exerts?