Physics, 14.09.2019 01:30 jflakes406
You and a friend are driving to the beach during spring break. you travel 14.5 km east and then 66.5 km south in a total time of 50 minutes. (a) what is the average speed of the trip? (b) what is the magnitude of the average velocity? -in this question for part b, why isnt it necessay to find the unit vectors for displacement?
Answers: 3
Physics, 23.06.2019 07:30
An electron and a proton are held on an x axis, with the electron at x = + 1.000 m and the proton at x = - 1.000 m. part a how much work is required to bring an additional electron from infinity to the origin? express your answer with the appropriate units. part b if, instead of the second electron coming in from infinity, it is initially at x = + 20.00 m on the axis and is given an initial velocity of 100.0 m/s toward the origin, does it reach the origin? part c how close to the origin does it come?
Answers: 3
Physics, 23.06.2019 11:00
A40 kilogram skier starts at the top of a 12 meter heigh slope. at the bottom she is traveling 10 meters per second how much does she lose to friction? a. 4,704 joules b. 2,704 joules. c.2,000 joules d. she doesn’t lose any because mechanical energy is conserved. 35
Answers: 1
Physics, 23.06.2019 14:00
Explain how the absorption of sound waves differs from the transmission of sound waves.
Answers: 1
You and a friend are driving to the beach during spring break. you travel 14.5 km east and then 66.5...
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