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weqwewe [10]
2 years ago
13

To the speaker makes the sound louder.

Physics
1 answer:
Damm [24]2 years ago
4 0

Answer:

the right control panel.

Place the listener at a certain distance away from the speakers. Slowly move the listener up and down. What do y

Explanation:

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When the temperature of matter decrease , the particles do what
Rom4ik [11]

Answer:

When the temperature decreases the particals start to slow down.

4 0
3 years ago
A 85-kg astronaut is stranded from his space shuttle. He throws a 1-kg hammer away from the shuttle with a velocity of 17 m/s. H
algol [13]

Answer:

0.2 m/s

Explanation:

given,

mass of astronaut, M = 85 Kg

mass of hammer, m = 1 Kg

velocity of hammer , v =17 m/s

speed of astronaut, v' = ?

initial speed of the astronaut and the hammer be equal to zero = ?

Using conservation of momentum

(M + m) V = M v' + m v

(M + m) x 0 = 85 x v' + 1 x 17

85 v' = -17

  v' = -0.2 m/s

negative sign represent the astronaut is moving in opposite direction of hammer.

Hence, the speed of the astronaut is equal to 0.2 m/s

4 0
3 years ago
Why is it useful to calculate average speed?
Phantasy [73]
When you are driving
4 0
3 years ago
A body is travelling with a velocity 30 m/s².what will be its velocity after 4s?​
Ipatiy [6.2K]

Answer:

70m/s²

Explanation:

we will use the first equation of Dalton to find it

3 0
2 years ago
You toss a bowling ball straight up into the air with a speed of 2.1 m/s. How long does it take the bowling ball to reach its hi
lara [203]

Time taken by the bowling ball to reach its highest point= 0.214 s

initial velocity= Vi=2.1 m/s

Final velocity= Vf=0 as the velocity at the highest point is zero.

acceleration= g= -9.8 m/s²

using the kinematic equation Vf= Vi + at

0= 2.1 + (-9.8)t

t= -2.1/-9.8

t=0.214 s

Thus the time taken by the bowling ball to reach its highest point is 0.214 s

6 0
3 years ago
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