PHYSICS HIGH SCHOOL

Animation skills include all of the following, except which?a. layering
c. drawing
b. sketching
d. acting

Answers

Answer 1
Answer: Animation skills include all of the following except D. acting. Acting has nothing to do with your skills as an animator, whereas you do have to know how to do layering, drawing, and sketching, because those skills are important when it comes to animation. Acting, and whether you can do it or not, doesn't really influence your skills as an animator.
Answer 2
Answer:

Answer:

D

Explanation:

Right on edge2020

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In the mobile m1=0.42 kg and m2=0.47 kg. What must the unknown distance to the nearest tenth of a cm be if the masses are to be balanced? The answer is 13.4 In the mobile what is the value for m3 to the nearest hundredth of a kilogram?

Answers

Complete Question

The complete question is shown on the first uploaded image

Answer:

Explanation:

From he question we are told that

    The first mass is   m_1 = 0.42kg

      The second mass is  m_2 = 0.47kg

From the question we can see that at equilibrium the moment about the point where the  string  holding the bar (where m_1 \ and \ m_2 are hanged ) is attached is zero  

   Therefore we can say that

               m_1 * 15cm = m_2 * xcm

Making x the subject of the formula  

                x = (m_1 * 15)/(m_2)

                    = (0.42 * 15)/(0.47)

                     x = 13.4 cm

Looking at the diagram we can see that the tension T  on the string holding the bar where m_1 \ and \ m_2 are hanged  is as a result of the masses (m_1 + m_2)

     Also at equilibrium the moment about the point where the string holding the bar (where (m_1 +m_2)  and  m_3 are hanged ) is attached is  zero

   So basically

          (m_1 + m_2 ) * 20 = m_3 * 30

          (0.42 + 0.47) * 20 = 30 * m_3

 Making m_3 subject

          m_3 = ((0.42 + 0.47) * 20 )/(30 )

                m_3 = 0.59 kg

A force of 2.0 n exerted on an object for 0.1 seconds increases the objects velocity by 1.0 m/s you what is the mass of the object?

Answers

Answer:

The mass of the object is 0.2 kg

Explanation:

The magnitude of the applied force = 2.0 N

The duration of application of the force = 0.1 second

The increase in velocity given to the body by the force = 1.0 m/s

From the equation of motion under acceleration, we have;

v = u + a·t

Therefore;

a = (v - u)/t

Where;

v = The final velocity

u = The initial velocity

t = The time taken for the change in velocity = 0.1 s

Given that the change in velocity = 1 m/s, we have;

v - u = 1 m/s

∴ a = (v - u)/t = 1 m/s/(0.1 s) = 10 m/s²

The acceleration, a = 10 m/s²

The equation for the applied force, F is F = Mass, m × Acceleration, a

Therefore, when the applied force, F = 2.0 N, and the acceleration, a is a = 10 m/s², we have;

F = Mass, m × Acceleration, a

2.0 N = Mass of the object × 10 m/s²

∴ Mass of the object = 2.0 N/10 m/s² = 0.2 kg

The mass of the object = 0.2 kg.

How much heat energy must be added to 52kg Of water at 68°F to raise the temperature to 212°F? The specific heat capacity for water is 4.186×10 to the third power J/kg times degrees Celsius

Answers

Answer:

The amount of energy added to rise the temperature Q = 17413.76 KJ

Explanation:

Mass of water = 52 kg

Initial temperature T_(1) = 68 °F = 20° c

Final temperature T_(2) = 212 °F = 100° c

Specific heat of water  C = 4.186 (KJ)/(kg c)

Now heat transfer Q = m × C × ( T_(2)  - T_(1) )

⇒ Q = 52 × 4.186 × ( 100 - 20 )

⇒ Q = 17413.76 KJ

This is the amount of energy added to rise the temperature.

Calculate the average power required to lift a 490 Newton object of vertical distance of 2 m in 10 seconds

Answers

             Power  =  (work done) / (time to do the work)

             Work  =  (force) x (distance)

If you want to lift a 490N object, you'll need (at least) 490N of force.
So, when you lift it 2 meters vertically, the work you do is

             Work  =  (490 N) x (2 m)  =  980 joules
and
             Power = (980 joules) / (10 sec)  =  98 watts .  
                 

An earthquake creates a type of wave that shakes the ground. If a large earthquake occurs in Greece, how can the waves be felt across the sea in Italy?

Answers

If a large earthquake occurs in Greece, the waves be felt across the sea in Italy because both of these locations are on top of the same tectonic plate, which shifts during the quake.

If you were to stir salt in water until the salt disappeared, which is the solute?salt

sodium in the salt molecules

hydrogen in the water molecules

water

Answers

salt is the solute in that situation

salt is the solute in that situation
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