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Bond [772]
3 years ago
7

Calcule el modulo de la reaccion normal de la pared vertical si el peso de la esfera es de 8N (newtones). Desprecie todo tipo de

razonamiento
Porfavor

Physics
1 answer:
aivan3 [116]3 years ago
7 0
Corn is a type of food
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Hi im really confused:
Vitek1552 [10]

The energy required to raise the temperature of the air in a room by 5.0°C is 336 kJ

U =  c_{p} m ΔT

U = Energy

c_{p} = Specific heat

m = Mass

ΔT = Change in temperature

ρ = Density

V = Volume

ρ = 1000 g / m³ (Dry air )

c_{p} = 1 J / g K

ΔT = 5 °C

V = 4 * 4 * 3

V = 48 m³

m = ρ V

m = 1000 * 48

m = 48000 g

U = 1 * 48000 * 7

U = 336000 J

U = 336 kJ

Therefore, the energy required to raise the temperature of the air in a room by 5.0°C is 336 kJ

To know more about energy required to raise temperature

brainly.com/question/12372041

#SPJ1

3 0
1 year ago
What is the main difference between the gas water vapor and the liquid water?
Vinil7 [7]
Water vapour has more kinetic energy.

Hope this helps :)
6 0
3 years ago
Read 2 more answers
For forces and motion, what is one force that is acting on us right now?
Verdich [7]

Answer:Gravity

Explanation:

7 0
3 years ago
On his way off to college, Russell drags his suitcase 19 m from the door of his house to the car at a constant speed with a hori
Mashcka [7]

Answer:

The work done on the suitcase is, W = 1691 J

Explanation:

Given data,

The force on the suitcase is, F  = 89 N

The distance Russell dragged the suitcase, S = 19 m

The work done on the suitcase by Russell is equal to the work done on the suitcase to overcome the friction

The work done on the suitcase by Russell is given by the formula

                          W = F · S

Substituting the given values,

                           W = 89 N x 19 m

                           W = 1691 J

Hence, the work done on the suitcase is, W = 1691 J

8 0
4 years ago
You push a desk with 230 N, but the desk doesn't move due to its friction with the ground. What is the magnitude of the friction
ASHA 777 [7]

Answer:

force \:  = friction \: based \: on \: newtons \: third \: law \\ \: f =  |230|  = 230 \: newton \\ this \: is \: why \: the \: desk \:  \\ doesnt \: move...

3 0
3 years ago
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