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Relative Acceleration

Two projectil...

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Two projectiles have same range of 100 m but theyhave different initial angles of throw. If they have sameinitial speed of 40 m/s, then sum of the maximumheights attained by them is (take g 10 m/s)

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Question 07

Two atoms are said to be isobars if ?

(a) They have same atomic number but different mass number

(b) They have same number of electrons but different number of neutrons

(c) They have same number of neutrons but different number of electrons

(d) Sum of the number of protons and neutrons is same but the number of protons is different

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