Answer:
300000.01008 Pa
123.76237 m/s²
Explanation:
= Density of liquid nitrogen = 808 kg/m³
h = Depth
g = Acceleration due to gravity
P = Atmospheric pressure
Absolute Pressure is given by
Below 2 m from surface
Below 5 m from surface
Subtracting the above equations we get
The acceleration due to gravity on the planet is 123.76237 m/s²
Equating the value of g in the first equation
The atmospheric pressure on the planet is 300000.01008 Pa
Answer:
Half-life units in 'years' & 'seconds' are the most widely used, but actually, whatever you wish ... sec, min, hrs, days, yrs. The application and one's preference could dictate more appropriate units.
Explanation:
We have: K.E. = mv² / 2
Here, m = 1500 Kg
v = 2 m/s
Substitute their values in the formula,
K.E. = 1500 ×2² / 2
K.E. = 6000 / 2
K.E. = 3000 J or 3 KJ
Finally, answer of your question would be 3000 Joule or 3 Kilojoule
Hope this helps!
Answer: 94 seconds
Explanation:
An exact solution will require calculus, since the acceleration is not constant.
M*dV/dt = -fk = -75V
dV/V = -(75/M)dt
Since you have separated variables to opposite sides, the differential equation is easily integrated.
Therefore,
V2/V1 = -ln2 = (-75/M)T
where T is the time interval.
Then we have that,
T= (M/75)*ln2 = (1020/75)*0.693
= 94 seconds
