Physics, 15.07.2020 17:01 lexxiiee653
1. of an object is the change in velocity per unit time.
a) Displacement b) Acceleration c) Average velocity d) Angular velocity.
2. The motion of freely falling body is an example of motion.
a) Uniform motion b) Non -uniform motion c) Uniformly accelerated motion. d) None of these.
Answers: 3
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In guinea pigs, assume black coat is completely dominant over white. to determine whether an unknown black guinea pig is pure or hybrid black, it should be crossed with bb, bb, bb
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Although light from the sun appears white, it is actually made up of a lot of different colors. this portion of the electromagnetic spectrum, we call white light is referred to as within the electromagnetic spectrum.
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Apossible explanation for a set of facts that can be tested by further investigation is called
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Suppose that two tanks, 1 and 2, each with a large opening at the top, contain different liquids. a small hole is made in the side of each tank at the same depth 1.57 m below the liquid surface, but the hole in tank 2 has 2.49 times the cross-sectional area of the hole in tank 1. (a) what is the ratio ρ1/ρ2 of the densities of the liquids if the mass flow rate is the same for the two holes? (b) what is the ratio rv1/rv2 of the volume flow rates from the two tanks? (c) at one instant, the liquid in tank 1 is 14.9 cm above the hole. if the tanks are to have equal volume flow rates, what height above the hole must the liquid in tank 2 be just then?
Answers: 3
1. of an object is the change in velocity per unit time.
a) Displacement b) Acceleration c) Averag...
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