4 years ago

Adding heat to a liquid causes which of the following physical changes?

Physics

2 answers:

scoundrel [369]4 years ago

6 0

adding heat to liquid causes

c) decreases density

Nadya [2.5K]4 years ago

4 0

Decreases density because gases have less density than liquids

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Two waiters are trying to get through a single door of a kitchen. One pushes on one side of a door 0.567 m from the hinge with a

NISA [10]

Answer:

$275.5 N$

Explanation:

$F_{1}$ = Force on one side of the door by first waiter = 257 N

$F_{2}$ = Force on other side of the door by second waiter

$r_{1}$ = distance of first force by first waiter from hinge = 0.567 m

$r_{2}$ = distance of second force by second waiter from hinge = 0.529 m

Since the door does not move. hence the door is in equilibrium

Using equilibrium of torque by force applied by each waiter

$r_{1} F_{1} = r_{2} F_{2} \\(0.567) (257) = (0.529) F_{2}\\F_{2} = 275.5 N$

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Pressure __________ with depth to support the fluid weight above

eduard

Answer:Hydrostatic

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3 years ago

Convert 580 g to kg.

MArishka [77]

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You are walking down a straight path in a park and notice there is another person walking some distance ahead of you. The distan

Setler79 [48]

Answer:

25.52 m

Explanation:

Relative speed between the person and I would be the difference of our speeds

$v_r=2.85-1.09=1.76\ m/s$

Time taken by me to walk up to the person = 14.5 s

Distance is given by

$Distance=Speed\times Time\\\Rightarrow s=vt\\\Rightarrow s=1.76\times 14.5\\\Rightarrow s=25.52\ m$

The person was 25.52 m ahead of me when I started running

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4 years ago