A wheel of perimetre 220cm rolls ona level road at a speed of 9 km per hr.how many revolutions does the wheel make per second?
1 5811
Tell me how many neutrons and how many protons are present in a single deuterium nucleus?
Order the following from the worst electrical conductor to the best electrical conductor? Glass, rubber, iron, dry wood
What is the earth made of?
What is waste?
What is gravel?
In the 19th century, this scottish scientist showed that all magnetic and all electric phenomena could be described by four equations that often bear his name. What ishis name?
Why is it that sound waves are not normally considered as having particle-like properties, nor raindrops as having wave-like properties? : quantum physics
What is a basic discription of a day of a nuclear physicist?
Explain which is the largest reef?
Will the shadow of an air plane fall over earth landspace while it is flying in air?
How many seismograph stations are needed to allocate the epicenter of an earthquake?
Explain the moon?
What is the difference between dynamic strain aging and strain aging?
Explain real image?
What formula is most appropriate to compute the kinetic energy of a block of ice sliding down an inclined plane?