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zloy xaker [14]
3 years ago
6

Which correctly lists three planets that have rings?

Physics
1 answer:
Softa [21]3 years ago
7 0

Answer:

D.

Explanation:

All our gas giants have rings

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ASAPP!!!!!!
lord [1]
I would say the plastic grip because glass, wood, and plastic are all good conductors of electricity
5 0
3 years ago
An incompressible fluid flows steadily through a pipe that has a change in diameter. The fluid speed at a location where the pip
Tema [17]

Answer:

5.10 m/s

Explanation:

The volumetric flow rate for an incompressible fluid through a pipe is constant, so we can write:

A_1 v_1 = A_2 v_2 (1)

where

A_1 is the cross-sectional area of the first part of the pipe

A_2 is the cross-sectional area of the second part of the pipe

v_1 is the speed of the fluid in the first part of the pipe

v_2 is the speed of the fluid in the second part of the pipe

Here we have:

v_1 = 1.28 m/s

r_1 = \frac{8.0 cm}{2}=4.0 cm = 0.04 m is the radius in the first part of the pipe, so the area is

A_1 = \pi r_1^2 = \pi (0.04 m)^2 =5.02\cdot 10^{-3}m^2

r_2 = \frac{4.0 cm}{2}=2.0 cm = 0.02 m is the radius in the first part of the pipe, so the area is

A_2 = \pi r_2^2 = \pi (0.02 m)^2 =1.26\cdot 10^{-3}m^2

Using eq.(1), we find the fluid speed at the second location:

v_2 = \frac{A_1 v_1}{A_2}=\frac{(5.02\cdot 10^{-3} m^2)(1.28 m/s)}{1.26\cdot 10^{-3} m^2}=5.10 m/s

8 0
3 years ago
Read 2 more answers
What is the momentum of a 76–kilogram horse running at a speed of
aleksklad [387]

Answer:

Option D, is closest to the answer = 950.

8 0
4 years ago
What is the resistance of a nichrome wire at 0.0 ∘c if its resistance is 200.00 ω at 11.5 ∘c?
Fed [463]
The temperature of the resistor varies based on the variation in the temperature. The equation that describes the relation between the two of them is:
<span>R = R0[1+ alpha(T-T0)]  where:
</span>R is the new resistance we are looking for
alpha is the temperature coefficient of resistance. For nichrome, alpha = <span>4x10^-4/C
T0 is the standard temperature =11.5
R0 is the resistance at T0 = 200 ohms
T is the temperature at which we want to get R = 0

Substitute in the equation to get R as follows:
R = 200 [1+4*10^-4 (0-11.5)] = 199.08 ohm</span>
8 0
3 years ago
Four race cars are traveling on a 2.5 mile tri-oval track at constant speeds of 195 mph, 190 mph, 185 mph and 180 mph. Assuming
ddd [48]
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