Answer:
I am 98% sure that the answers are B and A
Explanation:
Answer:
Explanation:
Let the distance traveled in first half is d and then in the next half is also d.
Let the time taken in first half is t1 and the time taken in the second half is t2.
Total time taken
The average speed of a body is defined as the total distance traveled by teh body to the total time taken.
Answer:
D. 13
Explanation:
For most elements other than hydrogen, isotopes are named for their mass number. For example, carbon atoms with the usual 6 neutrons have a mass number of 12 (6 protons + 6 neutrons = 12), so they are called carbon-12. Carbon atoms with 7 neutrons have an atomic mass of 13 (6 protons + 7 neutrons = 13).
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work done by gravitational force = mass × g × height
= mgh
= 5 × 10 × 8 N
<h3>= 400 N</h3>
Answer:
A unit is represented in kWH or Kilowatt Hour. This is the actual electricity or energy used. If you use 1000 Watts or 1 Kilowatt of power for 1 hour then you consume 1 unit or 1 Kilowatt-Hour (kWh) of electricity.