Physics, 23.10.2020 15:40 nakedkats7656
A group of students in Santa Cruz, California observes that monarch butterflies arrive every winter and leave again in the spring. What is the best conclusion the students can make based on these observations? O A. The wind blows the butterflies to Santa Cruz. B. There are no birds to hunt the butterflies In Santa Cruz. O c The butterflies migrate to Santa Cruz to survive the winter. OD. Santa Cruz is a safe place for the butterflies to lay their eggs.
Answers: 2
Physics, 20.06.2019 18:02
Apulley system lifts a 500-ib block 1.0 foot with an effort of only 50 ib. if the 50 ib moves 30 feet, calculate the efficiency of the pulley system. a. 30% b. 33% c. 70% d. 67%
Answers: 1
Physics, 21.06.2019 16:10
According to the phase diagram for water, how is the state of water determined? proceed up a vertical line at any given temperature read the phase at the intersection of any given temperature and pressure at a given pressure, proceed horizontally to the s-l or l-g line
Answers: 2
Physics, 22.06.2019 10:30
Avery long solenoid of inner radius 2.75 cm creates an oscillating magnetic field of the form = for this solenoid, =0.00425 t and =319 rad/s. (a)what is the maximum value of the induced electric field at a perpendicular distance 1.45 cm from the axis of the solenoid? (b) what is the maximum value of the inducted electric field at a point 5.85 cm perpendicular from the axis of the solenoid?
Answers: 1
Physics, 22.06.2019 15:00
You want to lose weight and have been trying to decide which type of fad diet is best for you. you ask your doctor, who responds that a. fad diets are a temporary fix but generally don't have any side effects b. fad diets can be used several times a year to maintain a healthy weight c. fad diets can be risky for your health and, in the long run, do not work d. fad diets should never be used one right after the other; there should be a break between them select the best answer from the choices provided. a b c d
Answers: 1
A group of students in Santa Cruz, California observes that monarch butterflies arrive every winter...
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