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qaws [65]
4 years ago
12

Irregular heating of the air can produce thermals which are ________.

Physics
1 answer:
jeka57 [31]4 years ago
6 0
Convection currents ????
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Kinetic energy is
faust18 [17]
A is the correct answer.

please vote my answer branliest! Thanks.
8 0
4 years ago
Two men are pushing a box in the same direction, to the right along the floor. the first man is pushing with a force of 20n. the
SIZIF [17.4K]
20N + 10N - 5N = 25N. That's the net force.
6 0
3 years ago
A grindstone in the shape of a solid disk with a diameter of 1.0 m and a mass of 50.0 kg, is rotating at 900 rev/min. A tool is
monitta

Answer:

oh for real?

Explanation:

The solubility of glucose at 30°C is

125 g/100 g water. Classify a solution made by adding 550 g of glucose to 400 mL of water at 30°C. Explain your classification, and describe how you could increase the amount of glucose in the solution without adding more glucose.

8 0
3 years ago
A resultant force of magnitude 15 N acts on a body of mass 250 g. Calculate the magnitude of the acceleration
lakkis [162]

Answer:

a=60

Explanation:

F=ma

F=15N

m=250g convert to kg

m=250/1000

m=0.25kg

applying F=ma

15=0.25*a

a=15/0.25

a=60

4 0
3 years ago
A homemade capacitor is assembled by placing two 10-in. pie pans 2 cm apart by a piece of glass and connecting them to the oppos
valentina_108 [34]

Answer:

capacitance  =  2.242 × 10^{-11} F

charge = 1.345 × 10^{-10}  C

electric field = 600 V/m

work done = 8.07 × 10^{-10} J

Explanation:

given data

battery c = 12 V

diameter = 10 in

distance d = 2 cm = 2×10^{-2} m

to find out

capacitance , charge on plate, electric field and work done

solution

we know radius is diameter / 2

so radius r = 10 / 2 = 5 in = 0.127 m

and capacitance  formula that is

capacitance  = A∈/d

put here all value

capacitance  = πr² ∈/d

capacitance  = π(0.127)² ×8.85 ×10^{-12} /2×10^{-2}

capacitance  =  2.242 × 10^{-11} F

and

charge on plate is express as

charge = capacitance ×  c

we know here 2 plate so on  1 plate c is 6

charge = 2.242 × 10^{-11} ×  6

charge = 1.345 × 10^{-10}  C

and

electric field is express as

electric field = c / d

electric field = 12 / 2×10^{-2}

electric field = 600 V/m

and

work done is express as

work done = 1/2 × charge × C

put here value

work done = 1/2 × (1.345 × 10^{-10}) (12)

work done = 8.07 × 10^{-10} J

4 0
3 years ago
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