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Vitek1552 [10]
3 years ago
15

According to Charles's Law, if the pressure of a gas stays constant, when the temperature increases, the volume __________.

Physics
2 answers:
miskamm [114]3 years ago
8 0
The correct answer is "the volume increases".

In fact, Charle's law states that when the pressure of a gas stays constant, the ratio between the temperature and the volume of the gas is constant:
\frac{T}{V} =k
where T is the gas temperature and V is its volume. We see from the formula that, if the temperature T increases, since the ratio must remain constant, the volume of the gas V increases as well.
Andrej [43]3 years ago
3 0

The volume increases is right for apex

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A 25.0 kg bag of peat moss sits in the back of a flatbed truck, driving up a hill. The bag experiences a 225N normal force. The
malfutka [58]

Answer:

a

   \theta  =  23.32^o

b

  \mu_s =  0.27

c

s =  0.948 \  m

Explanation:

From the question we are told that

The mass of the bag is m_b  =  25.0 \  kg

The normal force experienced is F_n  =  225 \ N

The maximum acceleration of the bag is a =  2.40 \  m/s^2

Generally this normal force experience by the bag is mathematically represented as

F_n  =  mg cos \theta

=> 225  =  (25 * 9.8) cos \theta

=> 0.9183  =   cos \theta

=> \theta  = cos^{-1}[0.9183]

=> \theta  =  23.32^o

Generally for the bag not to slip , it means that the frictional force is equal to the sliding force

F_f =  F_s

Hence F_f is mathematically represented as

F_f   =  \mu_s  *  F_n

While F_s is mathematically represented as

F_s   =  m * a

So

\mu_s  *  F_n = m * a

=> \mu_s  *  225 = 25 * 2.40

=> \mu_s =  0.27

Generally from the workdone equation we have that

KE_f - KE_i =  W_f

Here W_f is the work done by friction which is mathematically represented as

W_f  =  m * g * \mu_k * s

Here s is the distance covered by the bag

KE_f is zero given that velocity at rest is zero

and

KE_i = \frac{1}{2}  *  m* v_i^2

so

   \frac{1}{2}  *  m* v_i^2 = m * g * \mu_k * s

=>  \frac{1}{2}  *  v_i^2 =   g * \mu_k * s

substituting  2.55 m/s for v_i and 0.350 for  \mu_k  we have that

     \frac{1}{2}  *  2.55^2 =   9.8 * 0.350 * s

=> s =  0.948 \  m

4 0
3 years ago
Brainliest for correct answer! :)
Katena32 [7]

Answer:

1. 300.15

2. 873.15

3. 221.95

1. -243.15

2. -210.85

3. 295.17

5 0
3 years ago
A baseball bat hits a baseball with a force of 100 newtons. What is the force and its direction exerted by the ball on the bat?
Brut [27]

Answer:

The force exerted by the ball on the bat has a magnitude of 100 N and its direction is exactly opposite to that of the force exerted by the bat on the ball.

Explanation:

Recall that Newton's third law tells us that : "For every action, there is an equal and opposite reaction."

Therefore if the bat acts on the ball with a force of 100 N, the ball acts on the bat with a similar magnitude of force (100 N) but direction opposite to the original force.

F_{ab} = -\,F_{ba}

7 0
3 years ago
HELP ASAP <br> Describe when contact metamorphism occurs?
diamong [38]

Contact metamorphism occurs adjacent to igneous intrusions and results from high temperatures associated with the igneous intrusion. Since only a small area surrounding the intrusion is heated by the magma, metamorphism is restricted to the zone surrounding the intrusion, called a metamorphic or contact aureole

5 0
2 years ago
Read 2 more answers
How is power defined? Question 4 options: the quantity of work accomplished the direction of the work the total distance an obje
GarryVolchara [31]

Power can be defined as the rate at which work is accomplished.

Option D is the correct answer.

<h3></h3><h3>Power </h3>

The work done by an object in a given time interval is called the power of that object.

Suppose an external force F is applied to any object for the time interval T seconds. Due to this external force, the object will perform some amount of work for the time T seconds. This work W done by the object for the time interval T seconds is called the power of that object.

Power can be defined in mathematical term which is given below.

P = \dfrac {W}{T} \;\rm Watts

Thus the power can also be defined as the work done by the object per unit time interval.

Hence we can conclude that option D is the correct answer.

To know more about power, follow the link given below.

brainly.com/question/1618040.

8 0
2 years ago
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