Answer:
kinetic energy of glider = -0.376 j
Explanation:
Original distance by which the spring is compressed can be determine by using law of conservation of energy (As spring slide from glider, it gain some potential energy. On the top of track there is glider’s potential
energy exist)
where x is compressed distance by spring
height of track is calculated as
where l is distance covered by glider, theta angle is the angle of inclination of track
therefore, we have formula for x as
x = 0.039 m
kinetic energy of glider = potential energy by spring - potential energy at 1.50 distance
kinetic energy of glider = -0.376 j
The chemical change is are to water breaking down into hydrogen and oxygen.
Answer is D.
Answer:
1) 
2) 
3) 
4) The Molecules do not burn because of the presences of hydrogen bond in place
Explanation:
From the question we are told that
latent heat of vaporization for water at room temperature is 2430 J/g.
1)Generally in determining the molar mass of water evaporated we have that
-One mole (6.02 x 10. 23 molecules)
-Molar mass of water is 18.02 g/mol
Mathematically the mass of water is give as
Therefore
b)Generally the evaporation speed V is given as
Mathematically derived from the equation
To Give
c)Generally the equation for velocity 
Therefore
Effective temperature T is given by
where
4) The Molecules do not burn because of the presences of hydrogen bond in place
A pie chart uses wedges to show the amount of data points in a category.
