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Pavel [41]
3 years ago
8

How many carbon (C) atoms are in a molecule of CH2O?​

Physics
2 answers:
jolli1 [7]3 years ago
6 0

Answer:1 carbon atom

Explanation:AP3X

Kipish [7]3 years ago
4 0

Answer:

1

Explanation:

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jamal is playing with magnetic toy vehicles. He has two identical magnetic vehicles (purple and green) on different sides of a c
KengaRu [80]

Answer:

Since potential energy increases with increase in the separation distance, Jamal should move the toy car that will create the largest separation distance.  The magnetic force that will act on the vehicles as he moves the cars away from each other will decrease because magnetic force is inversely proportional to the separating distance between the cars.

Explanation:

Since potential energy increases with increase in the separation distance, Jamal should move the toy car that will create the largest separation distance.The magnetic force that will act on the vehicles as he moves the cars away from each other will decrease because magnetic force is inversely proportional to the separating distance between the cars.

5 0
2 years ago
Two electric charges A and B were placed facing each other at a distance of separation "r". The common electrostatic force betwe
lutik1710 [3]

Answer:

From the formula of force:

F =  \frac{kAB}{ {r}^{2} }  \\

since AB and k are constants:

F \:  \alpha  \:  \frac{1}{ {r}^{2} }  \\  \\ F =  \frac{x}{ {r}^{2} }

x is a constant of proportionality

• when force is 4N, separation distance is 1

4 =  \frac{x}{1}  \\ x = 4

therefore, equation becomes

F =  \frac{4}{ {r}^{2} }  \\

when r is doubled, r becomes 2. find F:

F =  \frac{4}{ {2}^{2} }  \\  \\ F =  \frac{4}{4}  \\  \\ { \underline{force \: is \: 1N}}

5 0
3 years ago
17.a car is traveling at a constant velocity of 60 km/h for 4 hours means
Setler [38]
<span>Assuming the car is travelling in the same direction for the entire hour, the acceleration is zero.</span>
7 0
3 years ago
Enter the expression 2cos2(θ)−1, where θ is the lowercase Greek letter theta.
vlabodo [156]
GAVNSTVVHUYCZ swffggff
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3 years ago
A boy slides a book across the floor using a force of five and over a distance of 2M what is the kinetic energy of the book afte
Alinara [238K]

Answer: 10Nm or 10J

Explanation:

Given the following :

Force (f) = 5

Distance (d) = 2m

Calculate the kinetic energy assuming no friction

Work done = force × distance

Work done = 5N × 2m = 10Nm

Recall :

Work done = ΔK.E ( change in kinetic energy)

Therefore, kinetic energy of the book after sliding = ΔK. E, which is equal to work done.

Hence, K. E of book after sliding is 10Nm

5 0
3 years ago
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