Physics, 18.09.2019 22:20 garciazzzz6
The power requirement of an electronic portable device is 1.5amp at 12 volts. what is the minimum number of aa size batteries required for powering this device? assume one aa battery is capable of supplying up to 1.5 v and 1 amp of current. draw a picture of your answer. (hint: how should these batteries be connected? series? parallel? both? ) (4 points)
Answers: 2
Physics, 22.06.2019 03:30
Imagine you are riding on a yacht in the ocean and traveling at 20 mph. you then hit a golf ball at 100 mph from the deck of the yacht. you see the ball move away from you at 100mph, while a person standing on a near by beach would observe your golf ball traveling at 120 mph (20 mph + 100 mph). now imagine you are aboard the hermes spacecraft traveling at 0.1c (1/10 the speed of light) past mars and shine a laser from the front of the ship. you would see the light traveling at c (the speed of light) away from your ship. according to einstein’s special relativity, how fast will a person on mars observe the light to be traveling? a) 0.1c (1/10 the speed of light) b) c (the speed of light) c)1.1c (c+0.1c)
Answers: 1
Physics, 22.06.2019 16:40
The force needed to overcome static friction is usually less than that needed to overcome kinetic friction.true or false?
Answers: 1
The power requirement of an electronic portable device is 1.5amp at 12 volts. what is the minimum nu...
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