Answer:
Explanation:
1) Displacement of the object will be gotten using simply adding the distances since they are goinf in the same direction (positive y direction)
Displacement= 330km + 220km
Displacement = 550km North
2) For a falling body, the body will possess positive acceleration due to gravity because it is falling under the influence of gravitational force. If a body is not under the influence of gravity and is thrown up, such body wont come back down. Hence the value of acceleration due to gravity of a body falling to the ground is +9.8 m/s² (note that the unit of acceleration is m/s²)
Answer:
The pressure value changes 400 % relative to the initial value.
Explanation:
Let suppose that the gas behaves ideally and represents a closed system, that is, a system with no mass interactions so that number of moles is conserved (
). Since the variables involved in the isothermal process are pressure (
) and volume (
). Finally, the process is represented by the following relationship:
(1)
Where:
- Initial and final pressures.
- Initial and final volumes.
If we know that 
, 
and 
, then the final pressure of the closed system is:
The pressure value changes 400 % relative to the initial value.
<span>sometimes you can see yourself as well, due to refraction and reflection
</span>
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Explanation:
The pull strength is the highest possible holding power of a magnet, measured in kilograms. It is the force required to prise a magnet away from a flat steel surface when the magnet and metal have full and direct surface-to-surface contact.
