Answer:
The observable universe is a ball-shaped region of the universe comprising all matter that can be observed from Earth or its space-based telescopes and exploratory probes at the present time
Explanation:
Answer:
a) (1.4 + 1.9) = 3.3m/sec.
(35/3.3) = 10.6 secs.
b) (1.9 - 1.4) = 0.5m/sec.
(35/0.5) = 70 secs.
Explanation:
Answer:
50N
Explanation:
this is because 5×10all over 100 ,0 will cancile 0 remaining 10 ,1 into 10 ,10times ,so 5×10 =50N
Answer:
2028 m/s
Explanation:
Velocity of a wave is given as the product of frequency and wavelength and expressed as
V=fw
Where V denote the velocity, f is frequency while w is walength.
Note that the speed of wave does not depend on amplitude. Therefore, we don't need it for calculation of velocity in this question.
Substituting 390 Hz for f and 5.2 m for wavelength then the velocity is given as
V=390*5.2=2028 m/s
Answer:
A conduction heating material with a cylindrical shape and a 5 cm radius is being heated in high temperature (85 C) air from an initial temperature of 10 C
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