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Shalnov [3]
3 years ago
9

Lara has noticed that all of her friends are very careful about what they eat, and they are all much thinner than she is. She wa

nts to be healthy, but she really wants to fit in with her friends. What is the best step for Lara to take?
A. Talk to a trusted adult to help her evaluate her eating and exercise in a healthy way.
B.Ask her friends how they stay so thin, and use the same strategies.
C. Find new friends who are not as thin so she doesn't feel any pressure.
D.Try out the newest diet she's seen advertised on TV to help her lose the weight she wants to lose.
Physics
2 answers:
nlexa [21]3 years ago
7 0

A. Talk to a trusted adult to help her evaluate her eating and exercise in a healthy way.


HACTEHA [7]3 years ago
5 0

Answer: Option (A) is the correct answer.

Explanation:

If Lara wants to be healthy, and really wants to fit in with her friends then she should talk to a trusted adult to help her evaluate her eating and exercise in a healthy way.

This is because a trusted person will give her beneficial advice as compared to any other person or any advertisement on TV which may promise false results in order to sell their product.

This may also lead to harmful effects on her health. Thus, she should eat and exercise in a healthy way.

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Which statement about magnetic poles is accurate?
Mademuasel [1]
I see I'm late but I believe it's A. , opposites attract. I'm taking the test right now lol
6 0
3 years ago
In a ballistics test, a 52g bullet hits a sand bag and stops after moving 1.34 m. If the initial bullat
olya-2409 [2.1K]

Answer:

Friction force on the bullet is 58.7 N opposite to its velocity

Explanation:

As we know that initial speed of the bullet is 55 m/s

after travelling into the sand bag by distance d = 1.34 m it comes to rest

so final speed

v_f = 0

now we can use kinematics top find the acceleration of the bullet

v_f^2 - v_i^2 = 2 a d

so we have

0 - 55^2 = 2(a)(1.34)

a = -1128.7 m/s^2

now by Newton's II law we know that

F = ma

so we have

F = (0.052)(-1128.7)

F = -58.7 N

8 0
3 years ago
Light travels at a speed of close to 3 x 10^5 km/s in vacuum. Given that it takes light 8 min and 19 s to travel the distance fr
never [62]

Answer:

1497×10⁵ km

Explanation:

Speed of light in vacuum = 3×10⁵ km/s

Time taken by the light of the Sun to reach the Earth = 8 min and 19 s

Converting to seconds we get

8×60+19 = 499 seconds

Distance = Speed × Time

\text{Distance}=3\times 10^5\times 499\\\Rightarrow \text{Distance}=1497\times 10^5\ km

1 AU = 1497×10⁵ km

The Sun is 1497×10⁵ km from Earth

8 0
3 years ago
If chilled coke and hot tea are kept together tea cools down but coke gets warm .why?​
Harlamova29_29 [7]

When hot tea is mixed to chilled coke, tea loses heat and coke gains heat. Thus, tea cools down but coke gets heated. Because it is liquid and liquid does not totally cool down to the ambient temperature, it and the iced drink will eventually reach the same temperature.

6 0
2 years ago
If 3.61 m3 of a gas initially at STP is placed under a pressure of 2.67 atm , the temperature of the gas rises to 37.9 ∘C. What
Pavel [41]

Answer: 1.54m^3

Explanation:

Combined gas law is the combination of Boyle's law, Charles's law and Gay-Lussac's law.

The combined gas equation is,

\frac{P_1V_1}{T_1}=\frac{P_2V_2}{T_2}

where,

P_1 = initial pressure of gas at STP = 1 atm

P_2 = final pressure of gas = 2.67 atm

V_1 = initial volume of gas = 3.61m^3

V_2 = final volume of gas = ?

T_1 = initial temperature of gas at STP = 0^oC=273+0=273K

T_2 = final temperature of gas = 37.9^oC=273+37.9=310.9K

Now put all the given values in the above equation, we get:

\frac{1atm\times 3.61m^3}{273K}=\frac{2.67\times V_2}{310.9K}

V_2=1.54m^3

Thus the final volume will be 1.54m^3

7 0
3 years ago
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