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USPshnik [31]
3 years ago
13

1.

Physics
2 answers:
Jet001 [13]3 years ago
4 0

Answer:

1. high frequency and high energy.

2. short wavelengths and high frequencies.

3. less energy and long wavelengths.

4. high frequencies and high energy

5. X-rays

6. infrared waves

7. radio waves.

8. Gamma Rays

9. Microwaves

10. infrared waves

sweet [91]3 years ago
3 0

Answer: 1: High frequency and high energy. 2: Short wavelengths and high frequencies. 3: Less energy and long wavelengths. 4: High frequencies and high energy. 5: X-rays. 6: Infrared waves. 7: Radio waves. 8: Gamma Rays. 9: Microwaves. 10: Infrared waves.

Explanation: 1: High frequency and high energy. 2: Short wavelengths and high frequencies. 3: Less energy and long wavelengths. 4: High frequencies and high energy. 5: X-rays. 6: Infrared waves. 7: Radio waves. 8: Gamma Rays. 9: Microwaves. 10: Infrared waves.

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Answer:

15.24 m/s in the downward direction

Explanation:

Given that the initial upward velocity of the ball is 24 m/s.

Assuming that the upward direction is positive.

As gravitational force acts in the downward direction and the direction of acceleration is the same as the direction of force, so the acceleration due to gravity will be negative.

Now, from the equation of motion, when an object is launched with initial velocity u, the final velocity, v, of an object after time t is v=u+at.

Given that u=24 m/s, t=4 seconds, g=-9.81 m/s^2.

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Here, the negative sign means the final velocity is in the downward direction.

Hence, the velocity after 4 seconds is 15.24 m/s in the downward direction.

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3 years ago
Two hockey pucks with mass 0.1 kg slide across the ice and collide. Before
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The velocity of pluck 1 is 12 m/s west.

<h3>What is the conservation of momentum?</h3>

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Now given that;

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Learn  more about linear momentum:brainly.com/question/27988315

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