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3 years ago

A blank is a compound that turns litmus blue and is often found in soaps and detergents

Physics

1 answer:

dangina [55]3 years ago

7 0

An ... (Base ) .... is a compound that turns red litmus paper blue and is often found in soaps and detergents.

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Two blocks, stacked one on top of the other, slide on a frictionless horizontal surface. The surface between the two blocks is r

devlian [24]

Answer:

$F_{net} = 31.88 N$

Explanation:

When top block is just or about to slide on the lower block then we can say that the frictional force on it will be maximum static friction

So we will have

$F_{net} = ma$

$F_s = ma$

$\mu_s mg = ma$

$a = \mu_s g$

$a = (0.50)(9.81)$

$a = 4.905 m/s^2$

now for the Net force on two blocks to move together

$F_{net} = (m_1 + m_2) a$

$F_{net} = (2.3 + 4.2)(4.905)$

$F_{net} = 31.88 N$

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3 years ago

Which of these statements about the sun's energy is true? (5 points)

s344n2d4d5 [400]

It is transferred evenly to water through air

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3 years ago

A number of energy transformations occur when water that is stored behind a dam is changed into electrical energy. For each step

Dmitrij [34]

Answer:

An unknown galaxy has a large flattened core. Which of the following classifications would best fit this galaxy's description?

Irregular

Spiral

Lens

Elliptical

Explanation:

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3 years ago

Read 2 more answers

State the dimension of surface tension

Luda [366]

Answer:

Actually, surface tension is the to force per unit length. That means formula for surface tension is = force/length . As we know that the dimensional formula for length is L . And that for force is MLT^-2. So the dimensional formula for surface tension can be obtained by dividing the dimensional formula of force and length.

Explanation:

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3 years ago

Ariel and Jackson are playing miniature golf. Ariel's ball rolls into a long, straight upward incline with a speed of 3.054 m/s

Salsk061 [2.6K]

Answer:

The length is $s = 3.73 \ m$