Your neighborhood friend invites you to swim in their pool for exercise. You're surprised to see how big their backyard is. The pool is a perfect circle. You use the ladder at the edge and swim exactly 5 laps around the circumference of the pool. You're even more surprised to see your neighbor has a giraffe in their backyard. You're scared of giraffes. From the edge of the pool, it only takes you 2.47 seconds to go straight to the exact middle of the pool. Fortunately, you are 4.1 meters from the edge and the giraffe can only reach 2.4 meters. Time to wait for your friend to come help. How many meters of distance did you actually swim in your exercising? It may help to draw a picture. Remember the formula for circumference of a circle.
Answers: 3
Physics, 21.06.2019 15:30
Which of the following statements are true of solids? a.the particles do not vibrate. b.the particles are in a fixed location. c.they have strong intermolecular forces between the atoms or molecules. d.the particles have less kinetic energy than those of liquids or gases.
Answers: 1
Physics, 21.06.2019 16:20
Two identical small charged spheres are a certain distance apart, and each one initially experiences an electrostatic force of magnitude f due to the other. with time, charge gradually leaks off of both spheres. when each of the spheres has lost half its initial charge, the magnitude of the electrostatic force will be
Answers: 1
Physics, 22.06.2019 00:00
Suppose that recording station n is located 200 km north of the epicenter of an earthquake, and recording station s is located 100 km south of the epicenter of the same earthquake. which of the following statements would be true?
Answers: 2
Your neighborhood friend invites you to swim in their pool for exercise. You're surprised to see how...
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