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lesya [120]
4 years ago
7

A rectangular glass block of dimensions 8.0 cm by 15.0 cm by 3.0 cm weighs 10.5 N. Calculate the minimum and the maximum pressur

e the bock can exert when it rests on a horizontal table.
---
Please answer this asap!
Physics
1 answer:
BaLLatris [955]4 years ago
3 0
The pressure can be solved using the following formula:

P = mg / A

Where: P = pressure
mg = mass * gravity = W = 10.5 N
A = l*w

Solving for A (maximum):

A = 8*3
A = 24 sq. cm

Solving for A (minimum):

A = 15*8
A = 120 sq. cm

Substituting into the first equation:

Pmax = 10.5 N / 24 sq.cm
Pmax = 0.4375 Pa

Pmin = 10.5 N / 120 sq.cm
<span>Pmin = 0.0875 Pa</span>
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