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Basile [38]
3 years ago
5

Which of the following is true about free energy? A. It is all the energy that a molecule contains B. The free energy change of

a reaction is dependent on the reaction path C. The free energy change of a reaction is dependent on the enzyme D. The free energy change of a reaction can determine the reaction direction
Physics
1 answer:
son4ous [18]3 years ago
3 0

Free energy is a thermodynamic potential that can be used to calculate the maximum reversible work that can be performed by a thermodynamic system at a constant temperature and pressure. It is fulfilled that if the energy change is less than zero it will mean that the relationship will proceed towards the product, while if the relationship is greater than zero the reaction will proceed towards the reactant. Therefore the correct option is D.

<em>The free energy change of a reaction can determine the reaction direction</em>

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An object is pulled with a 85 N force inclined at 27° along a horizontal surface ABC
OLEGan [10]

Answer:

m = 15.15 kg

Explanation:

Newton's Second Law of motion states that when an unbalanced force is applied on a body, an acceleration is produced in it in the direction of force. The component of force along the horizontal direction here, will be given by the Newton's Second Law as:

Fx = ma

F Cosθ = ma

where,

F = Magnitude of Force = 85 N

θ = Angle with horizontal = 27°

m = mass of object = ?

a = acceleration of object = 5 m/s²

Therefore,

85 N Cos 27° = m(5 m/s²)

m = 75.73 N/5 m/s²

<u>m = 15.15 kg</u>

6 0
3 years ago
How does a computer process data? *
elena55 [62]

The correct answer D: all of the above

5 0
3 years ago
You are riding a bicycle. You apply a forward forceof 50 N, and you and the bicycle have a combined mass of 100 kg. What is the
stich3 [128]
Use the equation F=ma to solve for the acceleration

Force: 50 N
Mass: 100kg

50=100a

a= .5 m/s/s
8 0
3 years ago
Read 2 more answers
The picture shows a roller coaster track with two hills of equal height. A motor uses electric energy to pull the roller coaster
zimovet [89]

Answer: When the cars move up the hill, electric energy changes to kinetic energy and kinetic energy changes to potential energy. Yes, energy entered the system as potential energy.

Explanation:

6 0
3 years ago
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A loaded truck is going at a speed Of 36km/hr and a car starts at a point 3 km behind the truck with an acceleration of 2 m/s^2
Andrew [12]

Answer:

60 sec

3.6 Km

Explanation:

Given that the truck is going at a speed of 36 km/hr = 36\times \frac{5}{18} = 10 m/sec

Given that the car starts at a point 3km=3000 m  behind the truck

Initial velocity (u) of the car = 0 m/sec

Acceleration (a) of the car = 2 m/sec^2

We know when they meet let the distance travelled by the truck be d Then the distance travelled by the car is d + 3000

For truck

speed=\frac{distance}{time}

10 =\frac{d}{t}

d = 10t

For car

distance = ut +\frac{1}{2}at^2

d+3000 = \frac{1}{2}2t^2

10t + 3000 = t^2

On solving we get t = 60 sec

The car will overtake the truck at 60 sec

The distance travelled by car is \frac{1}{2}2t^2 = 3600 m= 3.6 Km

7 0
3 years ago
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