Vector it always consists to size(magnitude) and direction
Answer:
Primer can help seal the surface to protect against moisture and allow the paint to properly stick. Cover the area with primer, allowing the surface to dry according to the manufacturer's directions
Explanation:
Five principles for research ethics
Discuss intellectual property frankly
Be conscious of multiple roles
Follow informed-consent rules.
Respect confidentiality and privacy.
Tap into ethics resources.
Training everyday
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Answer:
Explanation:
Given
initial height 

coefficient of static friction 
When collision is elastic respective velocities after collision is


where
and
=initial velocities of object
and
final velocities of object




using 


(b)Completely Inelastic
In Completely Inelastic objects stick with each other


using 
