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3 years ago

1. Choose the statement that does not accurately describe observations

Physics

2 answers:

erastova [34]3 years ago

3 0

Answer:What are the statements?

Explanation:

telo118 [61]3 years ago

3 0

Answer:

obtuse, oblique, unaware, over stimulate, distracted, undrewhelmed...

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Determine the right answer to fill in the blank spaces

ratelena [41]

Answer:

Explanation:

A pure substance is something that is entirely made up of particles that are identical to each other.

Any substance that is not pure, must be a mixture.

We are surrounded by mixtures. The air is a mixture of gases . The oceans are a mixture of (mainly) water and salt. The solid earth is mostly rock, which is a mixture of different minerals.

Natural resources are substances we need and use, which occur naturally. Some come from living things, (example) cotton other are non-living (example) sand.

The opposite of a natural resource is a made resource.

5 0

2 years ago

A metal can containing condensed mushroom soup has mass 215 g, height 10.8 cm, and diameter 6.38 cm. It is placed at rest on its

s344n2d4d5 [400]

Answer:

Part a)

Moment of inertia of the cylinder is given as

$I = 1.21 \times 10^{-4} kg m^2$

Part B)

Height of the cylinder is of no use here to calculate the inertia

Part C)

Since we don't know about the viscosity data of the soup inside the cylinder so we can't say directly about the moment of inertia of the cylinder as $I = 1/2 mR^2$

Explanation:

As we know that the inclined plane is of length L = 3 m

and its inclination is given as 25 degree

so we know that acceleration of center of mass of the cylinder is constant so we will have

$v_f^2 = v_i^2 + 2 a L$

so we have

$v_f^2 = 0 + 2a(3)$

now we know that

$v_{avg} = \frac{L}{t} = \frac{v_f + v_i}{2}$

$\frac{3}{1.50} = \frac{v_f + 0}{2}$

$v_f = 4 m/s$

Now we have know that final speed of the cylinder due to pure rolling is given as

$v_f = \sqrt{\frac{2gH}{1 + \frac{I}{mR^2}}}$

$4 = \sqrt{\frac{2(9.81)(3 sin25)}{1 + \frac{I}{0.215(0.0319)^2}}}$

$I = 1.21 \times 10^[-4} kg m^2$

Part B)

Height of the cylinder is of no use here to calculate the inertia

Part C)

Since we don't know about the viscosity data of the soup inside the cylinder so we can't say directly about the moment of inertia of the cylinder as $I = 1/2 mR^2$

8 0

3 years ago

How many electrons have been removed from a positively charged electroscope if it has a net charge of 1.6× 10−13 C?

Alexxx [7]

Answer:

Tu mujhe banaye ga face dekh aapna mirror me

6 0

2 years ago

Read 2 more answers

"I help people adopt beneficial behaviors such as a balanced diet and exercise. I am a ______ psychologist." A. Rehabilitation B

Rama09 [41]

Answer:

health

Explanation:

rehabilitation focuses on people who come back from certain habits

development focuses on infants and kids behavior

community focuses on community problems

8 0

3 years ago

Read 2 more answers

A basketball player achieves a hang time of

sp2606 [1]

Time - 0.792s
acceleration - 9.8m/s2
vertical height - ?
remember that height is in meters
so from the acceleration
9.8 = x
----
0.792*0.792
cross multiply
=6.147m approximately 6.2m

8 0

3 years ago