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Salsk061 [2.6K]
3 years ago
15

What variable do you think made this airplane fly the farthest?​

Physics
1 answer:
emmainna [20.7K]3 years ago
6 0

Answer:

How does the weight of the nose on a paper

airplane affect the distance it will travel

when measured in centimeters?

EXPERIMENT CONCLUSION: (Explain whether or

not your data supports, or fails to support your identified

prediction. Explain why, including facts and details!)

The distance did increase when I added 1 paper clip.

However, I was surprised that the distance decreased

when I added a second paper clip. I believe this

happened because the nose of the plane became too

heavy. When the plane was released, the nose of the

plane descended much quicker. I think the plane was

more balanced in weight when only 1 clip was on the

nose.

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A 2.35-kg rock is released from rest at a height of 21.4 m. Ignore air resistance and determine (a) the kinetic energy at 21.4 m
kvasek [131]

Explanation:

Given that,

The mass of rock, m = 2.35-kg

It was released from rest at a height of 21.4 m.

(a) The kinetic energy is given by : E_k=\dfrac{1}{2}mv^2

As the rock was at rest initially, it means, its kinetic energy is equal to 0.

(b) The gravitational potential energy is given by : E_p=mgh

It can be calculated as :

E_p=2.35\times 9.8\times 21.4\\\\E_p=492.84\ J

(c) The mechanical energy is equal to the sum of kinetic and potential energy such that,

M = 0 J + 492.84 J

M = 492.84 J

Hence, this is the required solution.

6 0
4 years ago
If you weigh 150 lbs. on the surface of Earth, how much would you weigh on Venus? On Mars?
Ghella [55]

Answer:

weight on Venus =  604.15 N

weight on Venus = 252.01 N

Explanation:

Given:

Weight on the earth , W = 150 lbs

now,

1 lbs = 4.45 N

thus,

W = 150 × 4.45  = 667.5 N

now, mass on the earth, m = 667.5/9.8 = 68.11 kg

now,

⇒ weight on Venus,

the acceleration due to   gravity on venus = 8.87 m/s²

thus,

weight on Venus = mass × acceleration due to   gravity on venus

or

weight on Venus = 68.11 × 8.87 = 604.15 N

⇒ weight on mars,

the acceleration due to   gravity on mars = 3.70 m/s²

thus,

weight on Venus = mass × acceleration due to   gravity on venus

or

weight on Venus = 68.11 × 3.70 = 252.01 N

7 0
4 years ago
That was the wrog answer
earnstyle [38]

Answer:

ik it was

Explanation:

3 0
3 years ago
Read 2 more answers
What is the chemical formula for copper(I)sulfide? A) CuS B) CuS2 C) Cu2S D) Cu2S3
weeeeeb [17]

Answer:

Cu2S

Explanation:

4 0
3 years ago
A 50-cm-long spring is suspended from the ceiling. A 270 g mass is connected to the end and held at rest with the spring unstret
AveGali [126]

Answer:

k = 22.05 N/m

Explanation:

The potential energy of the mass is converted into potential energy of the spring.

Given:

mass m = 0.27 kg

gravitational constant g = 9.8 m/s²

distance falling/ stretching of spring h = 0.24 m

U_{gravity} = U_{spring}\\ mgh = \frac{1}{2} kh^{2}

Solving for k:

k = 2mg\frac{1}{h}

5 0
4 years ago
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