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BigorU [14]
3 years ago
11

Please answer will mark brainleist

Physics
2 answers:
Dahasolnce [82]3 years ago
3 0

option \: (a) \: is \: correct.

Explanation:

Yes, I was wrong. Pressure increases as the area decreases.

As per the Figure A, the truck is so heavy and having a greater mass. So, the area of contact between the tyres and the road increases and decreases it's pressure on the road due to the increase in area.

As per the Figure B, You know the nature of Tomato that it is soft and smooth to touch and also lighter mass when it's compared with the truck. As it having a lighter mass, it can be cut through the sharp knife. The area of contact decreases and pressure increases on the vegetables.

Phantasy [73]3 years ago
3 0

Answer:

Option number B

Explanation:

The pressure is indirectly proportional to the area therefore pressure decreases when the area increases, and pressure increases when the area decreases

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Acceleration(a) is the change in velocity(Δv) over the change in time(Δt). so just divide your velocity and time.
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3 years ago
A package of aluminum foil contains 50. ft2 of foil, which weighs approximately 6.0 oz. Aluminum has a density of 2.70 g/cm3. Wh
SIZIF [17.4K]

Answer:

1.36 x 10^-3 cm

Explanation:

Area = 50 ft^2 = 46451.5 cm^2

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density = 2.70 g/cm^3

Let t be the thickness of foil in cm.

mass = volume x density

mass = area x thickness x density

170.097 = 46451.5 x t x 2.70

t = 1.36 x 10^-3 cm

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Three resistances 2 ohm ,3ohm and 5 ohm are connected in parallel and a
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The potential difference across 3 Ohm resistor is 20V.

The resistors are connected in parallel which means all the three resistances have a fully potential difference of 20V.

7 0
3 years ago
A car initially traveling 7 m/s speeds up uniformly at a rate of 3 m/s2 until it reaches a velocity of 22 m/s. How much time did
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Answer:

t = 5 s

Explanation:

Data:

  • Initial Velocity (Vo) = 7 m/s
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Use formula:

  • \boxed{t=\frac{Vf - Vo}{a}}

Replace:

  • \boxed{t=\frac{22\frac{m}{s} -7\frac{m}{s}}{3\frac{m}{s^{2}}}}

Solve the subtraction of the numerator:

  • \boxed{t=\frac{15\frac{m}{s}}{3\frac{m}{s^{2}}}}

It divides:

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How much time did it take the car to reach this final velocity?

It took a time of <u>5 seconds.</u>

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A tennis player's racket applies an average force of 200. newtons to a tennis ball for 0.025 second. The average force exerted o
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Answer:

200N

Explanation:

6 0
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