General Physics (1023)
Geology (258)
Geo Physics (71)
Astro Physics (43)
Nuclear Physics (56) why velocities of x rays and gamma rays are same inspite they have different wavelengths and frequencies
1 3142When a porcelain dish or a glass material are falling on the floor, it breaks but on falling on sofa or sponge it will not break. Why?
1 2560A solar collection has been installed to heat water. A large water tank has a volume of 5.0 x 105 cm3. The area of the solar collectors is 8m2. (2 meters by 3 meters). If the water in the tank starts out with a temperature of 30°C in the morning, what is its temperature in the evening after the sun has set?
1988
What is the law of machines?
What are the three particles that make up an atom?
Explain the difference between a semi-precious and a precious stone?
Explain the parallel force?
Explain optical telescopes?
I’ve heard that in quantum physics a lot of fancy mathematical objects like hilbert spaces are used, and that in particular, measurable quantities are described by self-adjoint operators. Are these things related to what you have just explained? : quantum physics
How do you magnetize metal?
When a person whirls a rock on the end of a string and maintains it in uniform circular motion, the force exerted on the rock is most accurately referred to as?
What are the weights in pounds of liquid gallons?
How can sedimentary processes concentrate and form resources?
What is astronomical telescope?
How is sound produced?
What is the history of nuclear reaction?
What is bitumen?
Is their any rule in significant figures that maximum number of significant figures in a number are 5