Answer:
A) By applying a known force, and measuring it's acceleration.
Explanation:
This is actually something that astronauts do in space as a mathmatical exercise when calculating the mass of an object since F = m × a.
Once the force, and acceleration are applied, the only unknown is the mass which can be solved by dividing force over acceleration. This is because inertial mass is equal to gravitational mass.
Answer: Economic models<em><u> </u></em><u><em>are simplifications of reality, and in this respect economic models are no different from other scientific models.</em></u>
These are abstract idea corresponding to processes set in an economy, these are usually denoted by variables and quantitative relationships between them. These are a simplified, often numerical, hypothesis studied to elaborate convoluted processes.
<u><em>Therefore the correct option is (c)</em></u>
True- Increased fluids rising
and increased volume
glad to help if helps any!!
Just ignore the horizontal component
if you have a vertical displacement of 15m, 0ms^1 initial velocity, end velocity is ignored, we know the acceleration due to gravity as 9.81ms^2 so we can work out the time using SUVAT
S=15
U=0
V=?
A=9.81
T=?
S=UT + 0.5 AT^2
UT=0
therefore,
S=0.5AT^2
rearrange to:
T=SQR (2S/A)
T = 1.75 seconds
