Answer:
It's the second one.
Step-by-step explanation:
The points on the graph align with the coordinates on the table.
For example, the fist point is (0,2) and the table shows that and the second point lands on (4,3) which is also shown in the table.
ASAP Find the minimum, maximum, range, mean, and median for the data set. 12, 13, 13, 17, 18, 19, 27 A. minimum: 12 maximum: 27
True [87]
<span>C.
</span><span>minimum: 12
</span><span>maximum: 27
</span><span>range: 15
mean: 17
median: 17
</span>
The reaction force exerted by the floor of the elevator on the man is D.944 N
Step-by-step explanation:
When the elevator is accelerating upwards at 2 m/s² there occurs a fictitious force acting downwards to produce a downward acceleration of 2 m/s².
The formula to apply here is ;
Weight due to gravity=mg where m is mass of the man and g is acceleration due to gravity.
Due to additional downward acceleration the total acceleration downwards will be : 9.8+2 = 11.8 m/s²
The man weighs down on the elevator floor with a force of ;
F=m(a+g) where m is mass of man, a is acceleration
F=80( 9.8+2)
F=80(11.8)= 944 N
The reaction force by the floor of the elevator is thus 944 N
Learn More
Elevator physics :brainly.com/question/13464055
Keywords : elevator, acceleration, moving upwards, reaction force, floor
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Answer:
13✓7
Step-by-step explanation:
5✓28 + ✓63
Break the radical into perfect squares.
5 times ✓4 times ✓7 + ✓9 times ✓7
5 times 2 times ✓7 + 3 ✓7
10✓7 + 3✓7
13✓7
