Physics, 11.12.2019 13:31, WampWamp8751

What is a supernova? why can a supernova explosions in space be seen but not heard on earth?

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Physics, 21.06.2019 22:00, smartie80

What is the fate of the electrons that interact with a specimen in an electron microscope?

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Physics, 22.06.2019 16:40, byers024

Atriangle with equal sides of length 10 cm has -2.5-nc charged objects at each corner. part a determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. determine the direction of the electrical force exerted on the object at the top corner due to the two objects at the horizontal base of the triangle. horizontally rightward vertically downward vertically upward horizontally leftward

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Physics, 22.06.2019 22:00, janyha212

On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2.

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Physics, 22.06.2019 23:00, brooke0713

As seen in a us weather map, the h (or high) and l (or low) symbols indicate regions where surface air pressures are high or low, respectively, compared to surrounding areas. an h is plotted where the air pressure is highest and an l is plotted where the air pressure is lowest. proceeding outward and away from the center of a high pressure system, the air pressure "