Question

plz solve 67,68,69,70,71

Answer 1

1). (a) Always equal only because the size of the forces on the first object equals the size of the force on the second object

2).(c) to resist any change in its state or in motion

3).(c) h rho g/2

(4).(c) Ozone

(5).(a) accelerated because If the speed of the train is constant, the coin will fall as if the train was stationary.

Answer 2

67. option B

68. option C

69. option B

70. option C

71. option A