from a a point The electric potential at a distance of 0.92 m from charge is -8.41x105 V. What is the quantity of the point charge?
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- On the moon the surface temperature ranges from 359 K during the day to 0.99 ✕ 102 K at night.(a) What are these temperatures on the Celsius scale? °C to °C(b) What are these temperatures on the Fahrenheit scale? °F to °FCalculate the total amount of energy (in kJ) required to heat 0.2 kg of Mercury from its melting point at -39 oC to its boiling point at +357 oC if its specific heat capacity is 140 J kg-1 K-1.The summit of a mountain is 3240 m higher than a point in the foothills. Assume that the atmospheric lapse rate in this area is the same as the global average of -6.5°C/km. What is the temperature of the summit when eager hikers depart from the foothill location at a temperature of 28°C?
- Calculate the total heat transfer from the 5.0 m² surface shown in the figure. Tur = 0°C h = 40 W/m²-K T = 180°C ɛ = 0.90 fluid T = 10°C insulatedA Pyrex baking dish with a mass of 545g warms up by 96.7 eC when it absorbs s0.9 kJ of heat an oven. What is the specific heat capacity of the dish in J/g°c? Tc0, 9222 56S b) If 7.5 kg of ice at O°C is put into an icebox, how many joules of heat are absorbed from the other items in the icebox as the ice melts? (For H2O, AHus Lt 334.7 J/g & AHvap Ly 2259.4 J/3) c) How much energy Joules) is required to boil off 1 gallon (3786g) of water that starts out at 21.50C? (See pt. b above for useful constant.)