A student placed 700g of water at 28° c in the freezer.after 6 minutes and 15 seconds the water was transformed to ice.
1 answer:
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Answer:
17 m/s south
Explanation:
= Mass of dog = 10 kg
= Mass of skateboard = 2 kg
v = Combined velocity = 2 m/s
= Velocity of dog = 1 m/s
= Velocity of skateboard
In this system the linear momentum is conserved
The velocity of the skateboard will be 17 m/s south as the north is taken as positive
Mass (m) is the amount of matter that the body has, measured in kilograms (kg) in the SI. Weight (P) is the force of attraction that a planet exerts on the body, meansured in Newton (N). The relationship between them is given by Definition of Weight:
If you notice any mistake in my english, please let me know, because i am not native.
If you notice any mistake in my english, please let me know, because i am not native.