Answer:
40 j, 80j.
Explanation:
P.E= mgh. G=10 m/s².
For 4m, P.E=1*10*4=40 joules.
For 8m, P.E=1*10*8=80 joules.
Answer:
C
Explanation:
This is because yeast cells replicate asexually through binary fission.
ANSWER:
[i] False.
[ii] Work is the product of force and displacement.
REASONS:
[i] As we already know that temperature is a measure of the average kinetic energy of the particles in an object.
[ii] W = FS
Explanation:
A.) Since Light doesn't bend until travelling through a different transparent medium, hence it won't pass when any opaque object is placed in front of it. Rubber tube being curved and opaque,won't let light pass through it.
B.) Since light always travels in a straight line, when tube is kept straight,there is a way for it to pass and the student can see it.
Political parties are composed of people who share views as to how a new government should be run. There are multiple political parties because politicians all have different views or focuses if they were to be included in the new government.