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At which point will an image be formed?

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B
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D

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

What was the first instrument to ever record an earthquake?

Which of the following is not a physical property of mattera. melting pointb.heat of combustionc. viscosityd. boiling point