imorn20731
17.12.2020 •
Physics
If a 65kg skydiver jumps out of an airplane at a height of 1200m, what is the fastest they could be traveling when they reach a height of 400m? At that height, they are falling at a speed of 53m/s. How much energy did they transfer to air molecules?
Solved
Show answers
More tips
- C Computers and Internet IMHO: What is it, why is it important, and how to use it?...
- H Health and Medicine How to Calculate Your Ideal Weight?...
- S Style and Beauty Discover the Art of Nail Design: How Do You Paint Your Nails?...
- P Philosophy How to Develop Extrasensory Abilities?...
- O Other Everything You Need to Know About Kudyabliks...
- C Computers and Internet The Twitter Phenomenon: What it is and How to Use it...
- C Computers and Internet How to Choose a Laptop: Expert Guide and Tips...
- C Computers and Internet How to Choose a Monitor?...
- H Horoscopes, Magic, Divination Where Did Tarot Cards Come From?...
- S Style and Beauty How to Make Your Lips Fuller? Ideas and Tips for Beautiful Lips...
Answers on questions: Physics
- P Physics Asatellite of mass 6500 kg orbits the earth in a circular orbit of radius of 7.5 106 m (this is above the earth s atmosphere).the mass of the earth is 6.0 1024 kg....
- P Physics Asolid steel sphere of density 7.86 g/cm3 and mass 1 kg spin on an axis through its center with a period of 2.3 s. given vsphere = 4 3 π r3 , what is its angular...
- P Physics Asmall rubber wheel is used to drive a large pottery wheel. the two wheels are mounted so that their circular edges touch. the small wheel has a radius of 2.8 cm...
- P Physics What evidence is there that joule had an exceptional education?...
- P Physics Arifle bullet with a mass of 11.5 g traveling toward the right at 251 m/s strikes a large bag of sand and penetrates it to a depth of 23.7 cm. determine the magnitude...
- P Physics Asample of nitrogen gas expands in volume from 1.6 to 5.4 l at constant temperature. calculate the work done in joules if the gas expands...
- P Physics Aradar operates at a wavelength of 3 centimeters. what is the frequency of the these waves? the speed of light is 3 × 108 m/s ....
- P Physics Describe 3 ways in which a person can conserve existing energy sources...
- P Physics Alright boys and girls I ll try and keep things like totally simple for all of u. How does doubling the height of the cylinder affect its gravitational potential...
- P Physics 2 points 13. The law of conservation of mass can be demonstrated by a chemical reaction. Which of the following models of a chemical reaction best represents the...
Ответ:
You can calculate the cost of energy use for various electrical appliances and ... in kilowatts, is multiplied by the operating hours to determine the energy use in kilowatt ... hours of energy use times the electric rate of eight cents per kilowatt-hour. ... the side which states how much energy costs to run the appliance for a year.
Explanation: