All categories

2 years ago

Select all that apply.

Physics

2 answers:

Bad White [126]2 years ago

6 0

Star s has radial motion

rjkz [21]2 years ago

3 0

Answer:

Star S has radial motion

Explanation:

Because the radial motion stracture is kinda similar to hydrogen spectrum(I'm guessing,only lol)

You might be interested in

A helicopter carries a 1000-kg-car suspended from a rope below it. The helicopter flies horizontally at a constant speed of 25 m

kolbaska11 [484]

Answer:

(a) Tension, T = 28.653 kN

(b) Wind resistance force, $26.925\ kN$

Solution:

As per the question:

Mass of the car, m = 1000 kg

Speed of the helicopter, v = 25 m/s

Angle made by the rope, $theta = 20^{\circ}$

Now,

(a) To calculate the tension, T in the car:

Tension along the direction of motion, $T_{h} = Tcos20^{\circ}$

Tension along the vertical direction, $T_{v} = Tsin20^{\circ}$

Now, let the force due to the wind directed in the opposite direction of the motion be $F_{W}$ and it balances the horizontal component of the tension, T.

The vertical component is balance by the weight of the car, i.e., mg that acts vertically downwards.

Now,

$T_{v} = mg$

$Tsin20^{\circ} = 1000\times 9.8$

T = 28653 N = 28.653 kN

(b) The force of the wind resistance:

$F_{W} = T_{h}$

$F_{W} = 2cos20^{\circ} = 26925\ N = 26.925\ kN$

If the angle made by the rope with the vertical is $0^{\circ}$ :

$mg = Tsin(90^{\circ} - 0^{\circ})$

$Tsin90^{\circ} = mg = 9800\ N$

The tension in the rope will be equal to the weight the car.

Wind resistance force, $F_{W} = Tcos90^{\circ} = 0\ N$

If the angle made by the rope with the vertical is $90^{\circ}$ :

$mg = Tsin(90^{\circ} - 90^{\circ})$

T = 0 N

Wind resistance force, $F_{W} = Tsin0^{\circ}$

$Tsin0^{\circ} = mg$

$F_{W} = \infty$

There will be no tension in the rope and wind resistance will be infinite.

3 0

3 years ago

Peter notices that his eight-year-old daughter frequently mentions the unusual habits of a new boy, who is from a different cult

pickupchik [31]

The answer should be C. Encourage his daughter to make friends with the new boy.

Hope this helps and have a happy new year

6 0

3 years ago

Specific heat is the amount of heat required to raise the temperature of a material by 1°C per what unit?

nydimaria [60]

The heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).

or C. Mass if you're on plato

3 0

3 years ago

Read 2 more answers

3 What is the displacement of a satellite when it makes a complete round along its circular path?

kirill [66]

Answer:

Explanation:

The displacement is zero since it goes in a full circle and ends up where it started.

4 0

2 years ago

What is the simplest way to build a graph of kinetic and potential energy?

Elena-2011 [213]

Answer:

analize the levels of kinetic and potential energy and look up a guide to graph it and follow that

Explanation:

5 0

3 years ago