Tekanan gas yang berada dalam suatu ruangan dikurangi hingga setengahnya.hal ini menyebabkan suhu gas tersebut turun menjadi 3/4 dari semula.tentukanlah perbandingan volume gas akhir dan volume gas awal

Answers

Answer 1

Answer: PV/T =C

P.V1/T = 1/2P.V2/3/4T
V1= 4V2/6
V2/V1 = 6/4 =3/2

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PLEASE HELP ASAP!!! CORRECT ANSWERS ONLY PLEASE!!!The shape of a projectile's trajectory is an ellipse.

True or false?

Answers

The statement is false. The shape of an object's trajectory can be a number of different shapes, not just an ellipse.

What is the function of a capacitor?

Answers

Answer:

What is a capacitor?

Capacitor, a electronic component to hold charges, represented by the letter C. It composes of two metal electrodes between a layer of insulating dielectric. When a voltage is applied between the two metal electrodes, the charge is stored on the electrode, so the capacitor is an energy storage electrical part. Any of two conductors that are insulated and close to each other form a capacitor. In addition, the parallel plate capacitor consists of the electrode plate and the dielectric of the capacitor.

Capacitor is one of the widely used electronic components in electronic equipment. It is widely used in stopping DC and alternating AC, coupling, bypass, filtering, tuning loop, energy conversion, control and so on. Capacitor is different from capacitance. The capacitance is the basic physical quantity, the symbol C, the unit is F (Farah).

Explanation:

I. Capacitor characteristics

II. Functions of capacitor in electrical circuits

When Emma pushes a bag with a force of 27 newtons, the coefficient of kinetic friction between the bag and the floor is 0.23. What is the normal force acting on the bag by the floor?. A. 0.085 newtons B. 27 newtons C. 2.7 × 10^2 newtons . D. 1.2 × 10^2 newtons

Answers

The normal force acting on the bag by the floor is calculated using th data on the force used to push the bag and the coefficient of friction between the bag and the floor. The normal force is determined through the formula Force / kin.coeff. Substituting, 27 N / 0.23 is equal to 117. 39 N. The answer is D.

Answer:

the answer is D, hope this helps

Explanation:

What is the potential energy of a 1-kilogram ball is thrown into the air with an initial velocity of 30m/sec?

Answers

the ball thrown from height=0
potental energy(PE) =0
kinetic energy(KE) = 0.5mv^2 = 0.5(1)(30^2) = 450

at the highest point the ball does not moved, v=0
potential energy at its maximum
kinetic energy = 0

Energy is conserved then
total energy before = after
PE1 + KE1 = PE2 + KE2
0 + 450 = PE2 + 0

conservation of energy is fun fact

mass=1kg
g=10m/s^2 (assuming)
u=30m/s
height(h)=u^2/2g
=900/20=45m
P.E.=mgh
=1×10×45=450 joules

When you mix sodium, which is a soft silvery metal, with chlorine, which is a yellowish gas, a solid white crystal called sodium chloride is formed. Which are the reactants?
A.) sodium and sodium chloride
B.) sodium chloride and chlorine
C.) sodium and chlorine

Answers

The correct choice is

C.) sodium and chlorine

In a reaction, reactants are the compound or elements which gets combined or reacts to give another compound known as product. Here sodium is getting combined with chlorine gas to give the product as sodium chloride. hence Sodium and chlorine can be termed as reactants and sodium chloride can be termed as product.

C. Sodium and chlorine. You react them to get sodium chloride

When the engineer first sees the car, the locomotive is 100m from the crossing and its speed is 30m/s. If the engineer reaction time is 0.47 s what should the magnitude of the minimum deceleration to avoid an accident?