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Reika [66]
3 years ago
15

( Can someone help? )

Physics
2 answers:
Murrr4er [49]3 years ago
8 0

Answer:

Answer would be 0.33

Explanation:

Calculations

wolverine [178]3 years ago
8 0

Answer:

The answer is 0.33

Explanation:

because if (v2-v1)/(t2-t1)

then if you fill it in then you could definetly get the answer.

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a hot iron bar is placed 100ml 22C water. the water temperature rises to 32C. how much heat did the water gain and how much heat
Sergeu [11.5K]

Answer:

  • Water gained: 10
  • Iron lost: -10

Explanation:

Given: Hot iron bar is placed 100ml 22C water, the water temperature rises to 32C

To find: How much heat the water gain, how much heat did the iron bar lost

Formula:Q = change T x C x M

Solve:

<u>How much heat water gained</u>

Initial heat = 22, then rose to 32. To find how much heat the water gained, simply subtract the current heat by the initial heat.

                                              32 - 22 = 10

The water gained 10 amounts of heat.

<u>How much heat Iron lost</u>

Current heat = 32, then dropped to 22. To find how much heat the Iron lost, simply subtract the initial heat by the current heat.

                                                   22 - 32 = -10

The Iron lost -10 amounts of water.      

4 0
3 years ago
why is a train more difficult to stop then a rolling ball even if they are traveling at the same speed? URGENT
zloy xaker [14]
Think of the formula force=mass x acceleration. even though they have the same acceleration, a train has more mass. is that helpful?
5 0
2 years ago
What can pressure be measured by?
SOVA2 [1]
'Pressure' is  (force) / (area).

The only choice with those units is #1 .
5 0
3 years ago
A rocket is being launched straight up. Air resistance is not negligible.
Yanka [14]

Answer:

hope this will help you

have a great day

3 0
2 years ago
Read 2 more answers
A 3.0kg weight W is initially at rest on incline AB, which is raised 40° above the horizontal. The effective coefficient is
lakkis [162]

(a) The acceleration of the system is determined as 1.58 m/s².

(b) The relative weight of P is pounds is determined as 0.14 lb.

<h3>Acceleration of the system</h3>

The acceleration of the system is calculated as follows;

W - T = m₂a --- (1)

T = m₁a ----(2)

μmgsinθ - m₁a = m₂a

(0.3 x 3 x 9.8 x sin40) - (0.4 + 0.2)a = 3a

5.67 - 0.6a = 3a

5.67 = 3.6a

a = 5.67/3.6

a = 1.58 m/s²

<h3> Relative Weight of P</h3>

W = ma

W = 0.4 x 1.58

W = 0.632 N = 0.14 lb

Learn more about weight here: brainly.com/question/2337612

#SPJ1

3 0
2 years ago
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