Answer:
1875 kg car- U1;M1
1025 kg car- U2;M2
Explanation:
according to Law of conservation of linear momentum
M1×U1 + M2×U2 = M1×V + M2×V
1875×23 +1025×17 = V(1875+1025)
43125 + 17425. =V×2900
V =60550/2900
V =20.88 ms-1
the two cars move with a speed of 20.88ms-1 immediately after coalition
Answer:
The three laws of motion were first compiled by Isaac Newton in his Philosophiæ Naturalis Principia Mathematica (Mathematical Principles of Natural Philosophy), first published in 1687.
Explanation:
True because all switches use contacts to start or stop the flow of electrons in a circuit
Gene flow occurs if a portion of population migrate or emigrate ...there would be gene flow !
genetic drift is just a gene flow but happens by chance !
80% from burning fossil fuels