Answer:
a wave with a time period of 2 seconds has a frequency of 1 ÷ 2 = 0.5 Hz. A sound wave has a time period of 0.0001 seconds.
Positive
In an LED, the longer lead is always connected to the positive terminal
5.5x 10^-11 C
Explanation:
Pls see attached file
Answer: lamda max= 16,5m lamda min= 0,0165m (air)
lamda max= 75m, lamda min=0,075m (water)
Explanatin
Answer:A and C
Explanation:i got them correct
Decrease concentration decrease reaction rate.
Decrease surface area increase reaction rate
