If L = 6.1 x10^30 W and F= 4.9 x 10-^10W m -^2, find d= ✔️L\4pieF d=
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If L = 6.1 x10^30 W and F= 4.9 x 10-^10W m -^2, find d= ✔️L\4pieF
d=
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- 20. If 60 percent of the potential energy of water flowing over a dam can be converted to electricity, find the maximum power output, in kW (kilowatts), for a dam 50 m high where the water crosses at a rate of 300,000 kg/min (1 watt = 1 joule/sec, 1 kW = 1000 watts)If 370370 J of work is done on a tennis ball with an initial kinetic energy of 475475 J, calculate the final kinetic energy of the tennis ball.r(cm) P(mW) 2.2 D-9 15 O. 4 20 0.3 25 3- Plot agraph between power and distance. h between
- (c) We are asked to isolate t [work shown below]. Vors Ve cos Q Voy- : V, sin e Ranger X= Vore t x Vz Cos E . € cos Afso AY= Voy't hes Va sin @it . he= Vz sin Ô .t-4,9€² 4.9¢² -Vz sin@etphz20 9.01 Then to plug it into y (1) = yo + Vo,yt +;a,t“. I am hoping for help on the second step.Now imagine the same root as in Question attached being placed in a dry soil in which the little soil water present has a water potential of –1.0 MPa. Would water move from the soil into the root or would it move from the root into the soil?PHYSICAL SCIENCE PLEASE SIMPLIFY A factory has a ventilation system with a fan motor that has a 2½ horsepower motor. The fan must run continually, 24 hours a day, seven days a week. Assume a 30-day month and a cost of $0.16 per kilowatt-hour (kWh). What is the monthly cost to operate this system for the factory? (1 horsepower = 746 W)