Q&A Forum
1118 questions found
For a car weighing 1000 N, what force would be required to accelerate the car to 3 ms-2
- 150.2 N.
- 305.8 N.
- 610.5 N.
James Leonard asking:
Please write your question here.
A light aircraft flies in a semi-circle from point A to point B. If the circle has a radius of 20km and the time taken is 30 minutes, the average speed is
- 125.7 km/h.
- 251.4 km/h.
- 62.83 km/h.
giovanni asking:
how?? thanks
An atom with 5 electrons in its outer shell is
- trivalent.
- univalent.
- monatomic.
- pentavalent.
matteo riganti asking:
Please write your question here.
The standard temperature and pressure for measuring the volume of liquids and solids is
- 20 degrees C and 700 mmHg.
- 20 degrees C and 760 mmHg.
- 15 degrees C and 760 mmHg.
bennguli asking:
who is willing to explain for me this question
For a heat pump to internally heat it uses a
- inside evaporator.
- inside condenser.
- inner evaporator.
bennguli asking:
please help