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What is the measure of how much matter is in an object and that can be measured using a balance? a. height b. volume c. weight d. mass
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What do the atoms of elements in the same group have in common? a. they have the same atomic numbers. b. they have the same average atomic masses. c. they have the same number of electron shells. d. they have the same number of electrons in their outermost shells.
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1700 j of energy is lost from 0.14 kg object , the temperature decreases from 50°c to 45°c what is the specific heat of this object, amd what is the material ?
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Match each type of lever with the correct diagram. 1. first-class 2. third-class 3. second-class
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Abus travelling at 60 m⁄s takes 10s to come to halt, its deceleration is equal to? ?...
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