Kai was 200 meters north of the library when he remembered he had to return some books to the library. It took him 200 seconds to do the round trip.
Answer
His speed was 2 m/s, and his velocity was 0.
Answer:40kg m/s
explanation: momentum =mass x velocity
Urinary → kidneys
Integumentary → skin, sweat, glands
Respiratory → lungs
Digestive → intestines
Circulatory → Blood that circulates through the body passes through one of the two kidneys where it is filtered!
So your answer is : D)
There you go! I really hope this helped, if there’s anything just let me know! ☻
Running water sry if you get it wrong
Answer:
Since energy means capacity to do work, when stone is in ground level, it has 0 work because it doesn't covered any distance but when stone lifted at a certain height , it covered a certain distance and work is done. Thus same stone has energy when it is lifted at a height .
Explanation: