Answer:
33.2 m
Explanation:
For the first object:
y₀ = 81.5 m
v₀ = 0 m/s
a = -9.8 m/s²
t₀ = 0 s
y = y₀ + v₀ t + ½ at²
y = 81.5 − 4.9t²
For the second object:
y₀ = 0 m
v₀ = 40.0 m/s
a = -9.8 m/s²
t₀ = 2.20 s
y = y₀ + v₀ t + ½ at²
y = 40(t−2.2) − 4.9(t−2.2)²
When they meet:
81.5 − 4.9t² = 40(t−2.2) − 4.9(t−2.2)²
81.5 − 4.9t² = 40t − 88 − 4.9 (t² − 4.4t + 4.84)
81.5 − 4.9t² = 40t − 88 − 4.9t² + 21.56t − 23.716
81.5 = 61.56t − 111.716
193.216 = 61.56t
t = 3.139
The position at that time is:
y = 81.5 − 4.9(3.139)²
y = 33.2
The motion would not move at all, because the forces that are acting on it are equal and are acting in opposite directions
Answer:
Explanation:
go around your house and tap random objects. For example, a sink. What noise did it make? was it loud or quiet? was it soft or hard? I hope this helps
A chemical label should include: a product identifier, signal word, hazard statement, precautionary statement,pictorgrams and supplier information
Explanation:
The product identifier : positioned at the upper left end corner of the label gives the identity of the hazardous chemical by appropriate terms. i.e. the name and code
Signal word: The "Danger" and "WARNING" words. The former is used for a more severe hazard where as the former is for a less severe hazard
Hazard statement : gives a description of the nature and degree of hazard of the chemical
Precautionary statements : Put for workers and users on ways to minimize exposure and lower risks in event of contact with the harmful chemical
Supplier information : It has the chemical manufacturer details such as name, location and telephone number.
Pictograms : Normally symbols with red borders for visual illustration of the hazard chemical.
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Chemical labels : brainly.com/question/3115518
Keywords : chemical, labels
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