As the mass and volume increases, the densit will
Increase, decrease, or remain the same

Answers

Answer 1

Answer: We can't tell from the information given.

Density is the RATIO of mass to volume. So, if mass and volume both
increase but their ratio decreases, then the density decreases.

But if mass and volume both increase and their ratio also increases,
then the density increases.

Examples:

-- Start with a pile of some kind of substance.
Mass = 150 grams
Volume = 100 cm³

Density = (mass) / (volume) = (150 gm)/(100cm³) = 1.5 gm/cm³

-- Add 50 grams of mass. Mass = 200 gm.
Add 50 cm³ of volume. Volume = 150cm³.

   Density = (mass) / (volume) = (200 gm)/(150 cm³) = 1.33 gm/cm³.
Density decreased.

-- To the original pile, add 100 grams of mass. Mass = 250 gm.
   add 50 cm³ of volume. Volume= 150 cm³.

   Density = (mass) / (volume) = (250 gm)/(150 cm³) = 1.67 gm/cm³.
Density increased.

-- To the original pile, add 60 grams of mass. Mass = 210 gm.
   add 40 cm³ of volume. Volume = 140 cm³.

   Density = (mass) / (volume) = (210 gm)/(140 cm³) = 1.5 gm/cm³.
     Density no change.
   Same as the original pile.

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A student pushes a 40-N block across the floor for a distance of 10 m. How much work was applied to move the block? A.
4 J

B.
40 J

C.
400 J

D.
4000 J

Answers

The correct answer to the question is C) 400 J.

CALCULATION:

As per the question, the force applied on the block F = 40 N.

The distance travelled by the block S = 10 m.

We are asked to calculate the work done by the block.

The work done by a body under a force F is calculated as -

Work done W = $\vec F.\vec S$

= $FScos\theta$

Here, $\theta$ is the angle between force and displacement.

If $\theta =\ 0^(0)$ , then work done W = $FScos0$

= FS. [ cos0 = 1]

Hence, the work done by the block W = FS

= 40 N × 10 m

= 400 Joule. [ans]

Here, Joule is the unit of work.

Hence, the work done by the block s 400 Joule.

what is the restoring force of a spring with a spring constant of a 4a and a stretched displacement of 3b?

Answers

Answer:

Thus, the restoring force is - 12 a b.

Given:

Spring constant = 4 a

Stretched displacement = 3 b

To find:

Restoring force = ?

Formula used:

The restoring force is given by,

F = -k x

Where F = restoring force

spring constant = k = 4 a

stretched displacement = x = 3 b

Solution:

The restoring force is given by,

F = -k x

Where F = restoring force

spring constant = k = 4 a

stretched displacement = x = 3 b

F = - (4 a) (3 b)

F = - 12 a b

Thus, the restoring force is - 12 a b.

If an object is placed at a distance greater than twice the focal length of a convex lens, what type of an image will be produced?A. real, upright, and enlarged
B. virtual, Inverted, and small
C. real, Inverted, and small
D. virtual, upright, and enlarged

Answers

Answer:

real,inverted,and small

Wispy, feathery clouds made mostly of ice crystals that form at high altitudes, usually above 6 kilometers.

Answers

Cirrus clouds are the clouds mostly made of ice becasue of the high altitudes

Which has more kinetic energy, a feather floating through the air or a rock on the ground? Explain.

Answers

Well, it would be the feather floating through the air, as the feather is moving and because of it it possess kinetic energy because of its motion. A rock on the ground has no kinetic energy as it is not moving.

Final answer:

The rock on the ground has more kinetic energy compared to the feather floating through the air, due to the force of gravity.

Explanation:

Kinetic energy is the energy of motion, and a moving object has kinetic energy. Potential energy, on the other hand, comes in several forms, such as gravitational potential energy. When comparing a feather floating through the air and a rock on the ground, we can say that the rock has more kinetic energy.

This is because the rock, when dropped, falls to the ground due to the force of gravity, gaining kinetic energy in the process. The feather, on the other hand, is floating through the air and not experiencing the same gravitational pull, thus having less kinetic energy than the rock.

Learn more about Kinetic Energy here:

brainly.com/question/33783036

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What will be the effect on the loudness of sound if the amptitude is doubled and halved?

Answers

remember that
loudness is directly proportional to the square of amplitude...
so when amplitude is doubled ,,loudness increases four times..
when it is halved ,,,loudness is halved,,,

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