Answer:
the correct one is D
Explanation:
A question that can be answered with a scientific investigation must be a question where measurements of some kind can be made and with these measurements check that the question is correct or not.
When examining the answers the correct one is D
Explanation:
The given data is as follows.
= 0.8 kg/s = 800 g,
= 1 kg = 1000 g, = (75 - T),
= T - 25
Now, according to the law of conservation of energy,
+ 30000
250.8 - 3.34T = 4.18T - 104.5 + 30
T =
=
Thus, we can conclude that temperature of the warm water stream is .
V₀ = 5,0 m/s
V = 7,5 m/s
t = 1,25 s
_________
a = (V-V₀) / t = (7,5 - 5,0 ) / 1,25 = 2,50 / 1,25 = 2 m/s²
Answer: acceleration a=2 m/s²
It would be hard so many factors play a role in this angle kinetic potential energy gravity positioning height weight etc.to keep something as described moving as long as possible you'd have to build it heavily enough to balance out the momentum at each climax of the swing to balance with the gravitational pull of the earth core.I'd use a material such as copper for the variable.Also the weight distribution on the variables base plays a role.Take all the into account and experiment for a while!maybe one day you could find the right proportions in every role for kinetic potential gravitational momentum and weight to keep it going forever. As said alotta factors play a huge role in this experiment <span />
The main parts of metabolism includes the two components which are: <em>Catholicism</em>, and <em>Anabolism</em>.