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Answer:
Gasoline will float
Asphalt will sink
Cork will float
Explanation:
Simply compare the value of each object's density to that of the sea water (1.025 g/ml). If the density of the object is less than that of the water, the object will float due to the buoyance force.
Contrarily, if the density of the object is larger than that of sea water, the object will sink.
Gasoline, with density 0.66 g/ml which is less than that of sea water, will float.
Gasoline, with density 1.2 g/ml which is more than that of sea water, will sink.
Cork, with density 0.26 g/ml which is less than that of sea water, will float.
Explanation:
Given parameters:
Weight of Ben = 600N
Weight of Dan = 600N
Distance of pull-up = 0.5m
Unknown:
Work done by each pull - up = ?
Solution:
Work done is defined as the product of the force applied to move a body through a certain distance.
Work done = Force x distance
Work done by Ben And Dan will be the same:
Work done = 600 x 0.3 = 180J
Work done by Ben = 180J
Work done by Dan = 180J
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Answer: I hope you find it useful
Explanation: Group 2 elements have two valence electrons. The two valence electrons are easily lost in the formation of chemical bonds. Once the two electrons are lost, the atom then has a full outer shell and is therefore more stable.
so, if an atom has valency 2 , then it means that the atom can combine with 2 other atoms .
