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agasfer [191]
3 years ago
9

Help me please i need this to passsss

Physics
1 answer:
mamaluj [8]3 years ago
6 0

Answer:   D

Explanation:     : ⊇

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Identify an object that is similar to the shape of a planet.
lbvjy [14]
A sphere??????????
i think thats the answer

6 0
3 years ago
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Receiver maxima problem. When the receiver moves through one cycle, how many maxima of the standing wave pattern does the receiv
shusha [124]

Answer:

Two.

Explanation:

  • A standing wave or stationary wave are the type of wave in which it oscillates with time but the amplitude does not move.
  • One complete wave consists of two loops.
  • It means that when the receiver moves through one cycle, two maxima of standing wave pattern the receiver pass through.
8 0
3 years ago
In 8.5 s a fisherman winds 2.4 m of fishing line onto a reel whose radius is 3.0 cm (assumed to be constant as an approximation)
SSSSS [86.1K]

Answer:

9.412 rad/s.

Explanation:

Velocity is the rate of change of an object's position.

V = x/t

Where x is the distance in m

= 2.4 m

t is time taken in s

= 8.5 s

V = 2.4/8.5

= 0.2824 m/s.

Equating linear velocity and angular velocity,

V = ω*r

Where,

ω Is the angular speed in rad/s

r is the radius of the circle in m

= 3 cm

= 3cm * 1m/100 cm = 0.03 m

ω = V/r

= 0.2824/0.03

= 9.412 rad/s.

4 0
4 years ago
You build a solenoid containing 500 windings over a 0.20-m length, with a loop radius of 0.025 m for each winding. the current i
marta [7]
The inductance of a solenoid is given by:
L= \frac{\mu_0 N^2 A}{l}
where
\mu_0 is the vacuum permeability
N is the number of turns of the solenoid
A is the area of one loop of the solenoid
l is its length

For the solenoid in our problem, N=500, and the radius of one loop is r=0.025 m, so the area of one loop is
A=\pi r^2 = \pi (0.025 m)^2 = 1.96 \cdot 10^{-3} m^2
and its length is l=0.20 m

So the inductance of the solenoid is
L= \frac{(4 \pi \cdot 10^{-7} NA^{-2})(500)^2(1.96 \cdot 10^{-3} m^2)}{ 0.20 m}=3.08 \cdot 10^{-3} H
4 0
4 years ago
What would be the change in pressure if height of liquid column above the
Setler79 [48]

Answer:

The height of the liquid column doesn't affect the pressure on top pressure ina liquid is affected by the weight of the above it

7 0
3 years ago
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