What minimum receiving-dish diameter is needed to resolve
Two satellites at an altitude of 1200 km are separated by 28 km. If they broadcast 3.6 cm microwaves, what minimum receiving-dish diameter is needed to resolve (by Rayleigh's criterion) the two transmissions?
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If they broadcast 3.6 cm microwaves, what minimum receiving-dish diameter is needed to resolve (by Rayleigh's criterion) the two transmissions?
A storm brings two formerly separated populations of beetles together. They look very similar. Under the biological species concept, which of the following would show that the two populations are different species?
Gamma-ray bursters are objects in the universe that emit pulses of gamma rays with high energies. The frequency of the most energetic bursts has been measured at around 3.0x10^21hz what is the wavelenght of these gamma rays?
A small, 300 cart is moving at 1.40 on an air track when it collides with a larger, 3.00 cart at rest. After the collision, the small cart recoils at 0.890. What is the speed of the large cart after the collision?
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