Physics, 10.05.2021 16:50 lulustar13
A man runs a 26-mile marathon in 2 h 14 min. The finish line, however, is only a straight-line distance of 18 miles from the starting line. What can you tell about the average velocity and average speed of the runner?
Answers: 3
Physics, 22.06.2019 00:30
Next a skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 15 with the horizontal. the rope moves parallel to the slope with a constant speed of 0.69 m/s. the force of the rope does 800 3 of work on the skier as the skier moves a distance of 8.4 m up the incline. (a) if the rope moved with a constant speed of 2.2 m/s how much work would the force of the rope do on the skier as the skler moved a distance of 8.4 m up the incline? at what rate is the force of the rope doing work on the skier when the rope moves with a speed of (b) 0.69 m/s and (c) 2.2 m/s?
Answers: 1
Physics, 22.06.2019 12:10
Light traveling in water, nwater = 1.33, strikes a plastic block at an angle of incidence of 51.4°; part of the beam is reflected and part is refracted. if the index of refraction of the plastic is 2.0, what is the angle made by the reflected and refracted beams?
Answers: 2
Physics, 23.06.2019 02:00
2select the correct answer. javed suffers from a severe food allergy. which device should javed always carry? a. inhaler b. epi pen c. nebulizer d. insulin pen
Answers: 1
Physics, 23.06.2019 08:00
A10n falling encounters 10n of air resistance (upward force). the net force on the object is:
Answers: 1
A man runs a 26-mile marathon in 2 h 14 min. The finish line, however, is only a straight-line dista...
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