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krek1111 [17]
3 years ago
11

All electromagnetic waves

Physics
1 answer:
ANEK [815]3 years ago
3 0
Electromagnetic Waves:

Radio waves, television waves, and microwaves.

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The landing of a spacecraft is cushioned with the help of airbags. During its landing on Mars, the velocity of downward fall is
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You can use the impulse momentum theorem and just subtract the two momenta.
P1 - P2 = (16-1.2)(11.5e4)=1702000Ns
If you first worked out the force and integrated it over time the result is the same
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Help!!! Line B touches the circle at a single point. Line A extends through the center of the circle.
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If I understand correctly. Line B is parallel to the circle. Also, the angle is less than 90.

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3 years ago
A simple harmonic oscillator has amplitude 0.43 m and period 3.9 sec. What is the maximum acceleration?
rjkz [21]

Answer:

Maximum acceleration in the simple harmonic motion will be 0.854rad/sec^2              

Explanation:

We have given amplitude of simple harmonic motion is A = 0.43 m

Time period of the oscillation is T = 3.9 sec

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For this we have to find the angular frequency

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What kind of system does not allow matter or energy to enter or exit?
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a closed system does not allow matter or energy to pass through

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3 years ago
How many ohms of resistance must be present in a circuit that has 240 volts and a current of 15 amps?
PIT_PIT [208]

Answer:

16 ohms

Explanation:

V= I ⋅ R

where,  V  is the net potential difference in the circuit,  I  is the current in the circuit and  R  is the net resistance of the circuit.  

In this case,  V = 240  volts,  I = 15  amperes.

240 = 15 ⋅ R  

⇒ R = 240/ 15 = 16  ohms

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