Recent content by phuonganh_dethuong158

magnitude, the limit of ordinar? ASTRONOMY: An optical instrument is required to observe stars beyond the sixth magnitude, the limit of ordinary vision. However, even optical instruments have their limitations. The limiting magnitude L of any optical telescope with lens diameter D, in inches, is...

discharged through a filam? PHOTOGRAPHY: An electronic flash unit for a camera is activated when a capacitor is discharged through a filament of wire. After the flash is triggered, & the capacitor is discharged, the circuit ( see the figure) is connected & the battery pack generates a current to...

discharged through a filam? PHOTOGRAPHY: An electronic flash unit for a camera is activated when a capacitor is discharged through a filament of wire. After the flash is triggered, & the capacitor is discharged, the circuit ( see the figure) is connected & the battery pack generates a current to...

...http://www.facebook.com/photo.php?fbid=1579883869044&set=a.1579883109025.135691.1594101422? http://www.facebook.com/photo.php?fbid=1579883869044&set=a.1579883109025.135691.1594101422 What is the meaning of this oil painting? What is the historical significance? When you view the...

for my brother. After? After cooking, i put fried fish in the middle and chinese sausage around the dish. at lunch, my brother eat some chinese sausages and don't eat any fried fish. after my brother lunch 2 hours, i put 3 small pieces of chinese sausages on 2 fried fish pieces, no more chinese...

...jogging? hiking? skiing? ten? tennis? handicrafts? gardening? camping? How much interest in cultural activities is there? What was the last cultural event that you attended? What do the Americans like to do in their leisure time? Do you think leisure time is a good opportunity for...

and jogging? hiking? skiing? ten? tennis? handicrafts? gardening? camping? How much interest in cultural activities is there? What was the last cultural event that you attended? What do the Americans like to do in their leisure time? Do you think leisure time is a good opportunity for...

jogging? hiking? skiing? ten? tennis? handicrafts? gardening? camping? How much interest in cultural activities is there? What was the last cultural event that you attended? What do the Americans like to do in their leisure time? Do you think leisure time is a good opportunity for...

...are many beautiful animals? As i know there are many beautiful animals and a lot of outdoor activities to enjoy