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A person is walking north on a sidewalk at about 2.95 mph. At the same time the wind is blowing from the north (toward the south) at about 2.55 mph. What relative wind speed will the person sense? O 2.95 mph; the greater of the two speeds O 2.55 mph; the lesser of the two speeds O 0.40 mph; the difference in the two speeds 5.50 mph; the sum of the wind speed and the walking speed X Need Help? Read It Submit Answer 2. [-/11.11 Points] DETAILS OBINPHYS8 1.CQ.027. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Four arrows, all with the same shape and size, are shot directly upward. Ignore the effect of air resistance, but the arrows have different masses and are fired with different speeds. Rank them from highest to lowest in terms of the greatest height that they will reach. (Use only ">" or "=" symbols. Do not include any parentheses around the letters or symbols.) A. mass = 0.0500 kg, Vinitial = 15.0 m/s B. mass = 0.0750 kg, Vinitial = 13.0 m/s C. mass = 0.125 kg, Vinitial = 17.0 m/s D. mass = 0.100 kg, Vinitial = 19.0 m/s Need Help? Read It 3. [-/11.11 Points] DETAILS OBINPHYS8 1.P.002. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A person's height is approximately 6 feet 7 inches. Express this height in the following terms. (a) meters (b) centimeters cm Need Help? Read It 4. [-/11.11 Points] DETAILS OBINPHYS8 1.P.006. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER A quartz crystal vibrates with a frequency of 70,621 Hz. What is the period of the crystal's motion? ms Need Help? Read It