Physical change
Because it's changed by heat
Answer: D all of the above
Can I get brainliest since I answered first
Voltage = current * resistance
V = I*R
I = 4 A
R = 2 ohm
V = 4 A * 2 ohm
= 8 volt
Complete question is;
Marie observed people at a store. Which is a qualitative observation she may have made?
A. Twenty people walked into the store.
B. The store sells clothes.
C. It was 1:00 P.M.
D. all of the above
Answer:
Option B:The store sells clothes.
Explanation:
We want to find the one that is a qualitative observation;
Looking at the options;
A. Twenty people walked into the store. This denotes a quantitative measure because of the number 20.
B. The store sells clothes. This denotes a qualitative measure because it describes what she sells.
C. This is a quantitative measure because it deals with time of 1 pm which is quantitative.
Therefore, the correct answer is Option B
Answer:
(a) Electric force will be
(B) Velocity
Explanation:
We have given that radius of the circular orbit
Charge on electron
(A) According to coulomb's law electric force between two charges is given by
So electric force
We know that centripetal force is given by
So