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Svetach [21]
2 years ago
14

Which of the following is true of high clouds?

Physics
1 answer:
Wewaii [24]2 years ago
3 0
I’m pretty sure it’s B
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Two vectors A and B have components (0,1) and (-1,3) respectivly. What is the magnitude of the sum of these two vectors
Ymorist [56]
A = <0,1>
B = <-1,3>
then
A + B = < 0+-1 , 1+3 > = <-1, 4>
magnitude = sqrt( (-1)^2 + (4)^2 )
= sqrt( 1 + 16)
= sqrt(17)
3 0
3 years ago
We can model a pine tree in the forest as having a compact canopy at the top of a relatively bare trunk. Wind blowing on the top
frez [133]

We need to consider for this exercise the concept Drag Force and Torque. The equation of Drag force is

F_D = c_D A \frac{\rho V^2}{2}

Where,

F_D = Drag Force

c_D = Drag coefficient

A = Area

\rho= Density

V = Velocity

Our values are given by,

c_D = 0.5 (That is proper of a cone-shape)

A = 9m^2

\rho = 1.2Kg/m^3

V = 6.5m/s

Part A ) Replacing our values,

F_D = 0.5*9*\frac{1.2*6.5^2}{2}

F_D = 114.075N

Part B ) To find the torque we apply the equation as follow,

\tau = F*d

\tau = (114.075N)(7)

\tau = 798.525N.m

3 0
4 years ago
I NEED HELP ASAP PLEASEEEE.A roller coaster ride starts with the roller coaster car being pulled to the top of the first hill wi
Sedaia [141]

I assuming they are not going to be very big just small enough for the car to get over the top and not go backwards. The coasting is all the momentum thy have to get over the hill and they don't have a lot of momentum. hope this helps ☺

7 0
3 years ago
A cat pushes a mouse horizontally on a frictionless floor with a net force of 1.0 N 1.0N1, point, 0, start text, N, end text for
vesna_86 [32]

Answer: 3

Explanation:

8 0
3 years ago
A car sitting at rest begins
tamaranim1 [39]

Answer:

It's 2km

Explanation:

a=2.40

T=15s

Speed=2.40*15

//. =36km/h

Distance=S*T

//. =36*15

//. =540m

5 0
3 years ago
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