What prediction does general relativity make for pulsars in a binary system?
What will be an ideal response?
According to Einstein's theory of general relativity, compact objects in a binary system will radiate energy in the form of gravitational waves. This energy will cause the orbital radius to decrease, and the orbiting objects to get closer together.
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Because the Moon has a low average density and no magnetic field, then its dense core must be _______________
Fill in the blank(s) with correct word
Water flowing in a pipe is similar to electric current flowing in a circuit. Which concept in the water flow system is analogous to the charge in an electric circuit?
a) Pump
b) water
c) valve
d) pressure
Consider two slides, both of the same height. One is long and the other is short. From which slide will a child have a greater final speed when sliding off? Assume that there is no friction acting
1.The child on the longer slide will have a greater final speed. 2.The child on the shorter slide will have a greater final speed. 3.The final speed will be the same for the child on the longer slide as it is for the children on the shorter slide. 4.We cannot tell from the information given.
The formula for dry ice is _______________
Fill in the blank(s) with correct word