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4 years ago

What changes depending on location in the universe, mass or weight. Explain

Physics

2 answers:

valentinak56 [21]4 years ago

7 0

Answer:

Weight

Explanation:

The difference between mass and weight is that mass is the amount of matter in a material, while weight is a measure of how the force of gravity acts upon that mass. The amount of matter in a material is a characteristic of a given object. But, the force of gravity that acts upon the object's mass depends of where the object is placed. For example, placed on Earth, some force is corroborated, but on the Moon, the force of gravity would be different because Moon has a different acceleration of gravity.

Black_prince [1.1K]4 years ago

3 0

Weight changes. Mass should remain the same. Weight is the effect of mass in a gravity field, so on Earth, you'll with 180 pounds, but on the moon, only 30 - while your mass remains the same in both places.

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Experimenting with free fall, Mariana observes that her baseball takes 1.5 s to travel the last 30m before hitting the ground. F

Art [367]

Answer:

37.8 m

Explanation:

At point 0, the ball is at height y₀.

At point 1, the ball is at height 30 m.

At point 2, the ball is at height 0 m.

Given:

y₁ = 30 m

y₂ = 0 m

v₀ = 0 m/s

a = -10 m/s²

t₂ − t₁ = 1.5 s

Find: y₀

Use constant acceleration equation.

y = y₀ + v₀ t + ½ at²

Evaluate at point 1.

y₁ = y₀ + v₀ t₁ + ½ at₁²

30 m = y₀ + (0 m/s) t₁ + ½ (-10 m/s²) t₁²

30 = y₀ − 5t₁²

Evaluate at point 2.

y₂ = y₀ + v₀ t₂ + ½ at₂²

0 m = y₀ + (0 m/s) t₂ + ½ (-10 m/s²) t₂²

0 = y₀ − 5t₂²

y₀ = 5t₂²

Substitute:

y₀ = 5 (1.5 + t₁)²

y₀ = 5 (2.25 + 3t₁ + t₁²)

y₀ = 11.25 + 15t₁ + 5t₁²

30 = 11.25 + 15t₁ + 5t₁² − 5t₁²

30 = 11.25 + 15t₁

t₁ = 1.25

30 = y₀ − 5t₁²

30 = y₀ − 5(1.25)²

y₀ ≈ 37.8

4 0

4 years ago

What are the STEPS to using a triple beam balance

Gwar [14]

A good diet. and exersise is the answer

8 0

4 years ago

If a mass of 76 kg acts downward 0.38 m from the axis of rotation on one end of a board and another force of 129 N also acts dow

Semenov [28]

Answer:

y = 2.196 m

Explanation:

Mass, m = 76 kg

distance from axis of rotation, x = 0.38 m

Second Force, F = 129 N

moment arm of the second force, y = ?

Now, equating moments for the equilibrium

So,

m g × x = F x y

76 x 0.38 x 9.81 = 129 x y

$y = \dfrac{76\times 0.38\times 9.81}{129}$

y = 2.196 m

Hence, the length of the moment arm is equal to 2.196 m.

6 0

3 years ago

Two mirrors are set up at an angle of 90.0°. If light is incident on the first mirror at an angle of 34.6° from the normal, at w

oksano4ka [1.4K]

Answer:

angle of incidence for the second mirror is 55.4 degree

Explanation:

Given data;

Angle between two mirror is 90 degree

Incident angle on first mirror is 34.6 degree

For first mirror

Angle of incidence is equal to angle of reflection

34.6 degree = angle of reflection

$r_1 = 42.5 degree$

Now , for the triangle ABC [from figure]

$90 - r_1 + 90 + 90 - i_1 = 180$

$34.6 + i_1 = 90$

$i_1 = 55.4 degree$

The angle of incidence for

angle of incidence for the second mirror is 55.4 degree

4 0

3 years ago

How does the mass of the melted sundae compare to when it was first made? this for science

tatiyna

<h3><u>Answer:</u></h3>

When it was first made, it was heavier

<h3><u>Explanation:</u></h3>

So there was originally air in the Ice Cream because they fluff it up like that. When it melts, those are gone.

3 0

3 years ago