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Andreas93 [3]
3 years ago
10

Explain convection in as little as possible

Physics
2 answers:
Gnoma [55]3 years ago
6 0
Heat goes in a circle
mario62 [17]3 years ago
4 0
Is the upward movement of a warmer less dense region of a fluid
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A ford escort needs a force of 3500N to accelerate at the rate of 4.9 m/s2. What is the mass of the car?
Verizon [17]

Answer:

714 kg

Explanation:

ΣF = ma

3500N = 4.9m/s^2*m

m ~= 714 kg

5 0
2 years ago
a foul ball is hit into the stands at a baseball game. the ball rises to a height of 38 meters and is caught on its way down by
lisov135 [29]

The velocity of the ball when it was caught is 12.52 m/s.

<em>"Your question is not complete it seems to be missing the following, information"</em>,

find the velocity of the ball when it was caught.

The given parameters;

maximum height above the ground reached by the ball, H = 38 m

height above the ground where the ball was caught, h = 30 m

The height traveled by the ball when it was caught is calculated as follows;

y = H - h

y = 38 - 30 = 8 m

The velocity of the ball when it was caught is calculated as;

v_f^2 = v_0 + 2gh\\\\v_f^2 = 0 + (2\times 9.8 \times 8)\\\\v_f^2 = 156.8\\\\v_f = \sqrt{156.8} \\\\v_f = 12.52 \ m/s

Thus, the velocity of the ball when it was caught is 12.52 m/s.

Learn more here: brainly.com/question/14582703

4 0
3 years ago
Alexis is studying how lenses work. She looks through a
Kryger [21]
It would be the 3rd one
6 0
3 years ago
A cylindrical can is partially filled with water. The radius of the cylindrical can is 8 inches, and its height is 9 inches. If
VashaNatasha [74]

The volume of the cylindrical can is given by:

V = πr²h

V = volume, r = base radius, h = height

Differentiate both sides of the equation with respect to time t. The radius r doesn't change over time, so we treat it as a constant:

dV/dt = πr²(dh/dt)

Given values:

dV/dt = -527in³/min

r = 8in

Plug in and solve for dh/dt:

-527 = π(8)²(dh/dt)

dh/dt = -2.62in/min

The height of the water is decreasing at a rate of 2.62in/min

7 0
3 years ago
Find the temperature color. Btw All the things on the drop down menu apply to all and can only be used once. Thanks plz hurry
Maru [420]
Bright red that is the answer
5 0
3 years ago
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