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IRISSAK [1]
3 years ago
8

(PLEASE HELP. DUE IN 4 HOURS. I WILL CASHAPP YOU $20 TO GIVE A CORRECT ANSWER. PLEASE LEGIT ANSWERS. I AM DESPERATE. GIVING BRAI

NLIEST, THANKS, AND 5 STARS. THANK YOU.)
In Video 2, you observed a "Frictionless Pendulum", the frictionless pendulum can only be simulated. Go back and see if you can observe any changes in motion. How would the motion of the pendulum change if that was a demonstration rather than a simulation? Use the CER (claim, evidence, reasoning) template to answer.

CLAIM: Write your answer to the question given: The motion of a real pendulum would ______________________ (describe how it would or would not change).

EVIDENCE: This is your example, model, observation, or idea demonstrating your claim, you could begin with “According to…” or “Based on...”, or "Watch how..."

REASONING: You could begin with, “This is because…” or “The fact that supports this evidence is…”. ONLY state science facts to support your example, do not guess, use opinion, or use inferences here.
Physics
1 answer:
netineya [11]3 years ago
5 0

Answer:

When the mass is drawn upwards and let go, the force of gravity accelerates it,

Explanation:

if you send me the video i can give you a better answer its just hard without seeing it

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URGENT HELP !! The coefficients of static and kinetic frictions for plastic on wood are 0.53 and 0.40, respectively. How much ho
IRISSAK [1]

Answer:

43.83 N

Explanation:

Given that,

The mass of an object, m = 34.4 kg

The coefficients of static and kinetic frictions for plastic on wood are 0.53 and 0.40, respectively.

The force of static friction,

F_s=\mu_smg\\\\F_s=0.53\times 34.4\times 9.8\\\\F_s=178.67\ N

The force of kinetic friction,

F_k=\mu_kmg\\\\F_k=0.40\times 34.4\times 9.8\\\\F_k=134.84\ N

Net force acting on the object is :

F = 178.67-134.84

= 43.83  N

Hence, this is the required solution.

7 0
3 years ago
Why do electron microscopes have higher resolving power than light microscopes?
nikdorinn [45]
Electrons have a smaller wavelength than visible light, leading to higher resolution.
3 0
3 years ago
An ice cube of mass 50.0g can slide without friction up and down a 25.0 degree slope. The ice cube is pressed against a spring a
sergejj [24]

Answer:

Explanation:

Given

mass of ice cube m=50 gm

inclination \theta =25^{\circ}

Spring constant k=25\ N/m

initial compression x=0.1 m

Suppose Initially the cube is at the datum  and it moves h height after release

So Elastic Potential Energy of Spring will convert to Potential Energy of cube

\frac{1}{2}kx^2=mgh

\frac{1}{2}\times 25\times (0.1)^2=50\times 10^{-3}\times 9.8\times h

h=0.255 m

so final Potential Energy will be =mgh=0.05\times 9.8\times 0.255=0.125 J

Initial Potential Energy=0 J

B.Initially spring is at compression so energy associated with it is its Elastic Potential Energy i.e. 0.125 J

Final Energy=0 J  

7 0
3 years ago
Read 2 more answers
Which compound uses the oxidation numbers to write the chemical formula?
pantera1 [17]

Inorganic chemical compounds

Explanation:

Inorganic chemical compounds employ the use of oxidation numbers of atoms to write their chemical formula.

  • The oxidation number is the formal charge assigned assigned to an atom present in a molecule or formula unit or ion based on some rules.
  • Knowledge of this number is used in writing the formulae of inorganic compounds.
  • These compounds forms by the exchange of certain small whole numbers by atoms or groups of atoms.
  • The combining power usually correspond to the number of electrons usually lost or gained or shared by atoms of elements during chemical combinations or the number of positive or negative charges carried by ions.

For example:

                                                            A                            B

combining power(Valency):               X                            Y

Exchange of valencies                       Y                            X

                 Molecular formula of compound    A_{y}Bₓ  

Learn more:

Compounds brainly.com/question/5961886

#learnwithbrainly

5 0
3 years ago
How do igneous rocks form??
pickupchik [31]
Magma that cools and forms
6 0
3 years ago
Read 2 more answers
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