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3 years ago

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Which situation is NOT the result of an unbalanced force acting on an object? A. an object speeds up B. an object maintains spee

d C. an object changes direction

1 answer:

7nadin3 [17]3 years ago

5 0

Im pretty sure its b........

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A noisy toy is placed in a glass jar. All the air is then slowly removed from the jar. How does this affect the sound you hear?

MariettaO [177]

The sound would decrease because the sound waves have nothing to bounce against.

8 0

3 years ago

Burl the painter weighs 600 Newtons. He stands in the exact middle of his stage. There are two scale readings attached to the tw

chubhunter [2.5K]

Answer:

T = 300 N

Explanation:

As we know that the painter is standing at the middle of the scaffold

So here the two ropes will exert same tension on the scaffold

So we will have

$T_1 + T_2 = W$

also we know

$T_1 = T_2$

so we will have

$2T = W$

$T = \frac{W}{2}$

so tension is half of the weight in both the strings

So it is

T = 300 N

6 0

3 years ago

the weatherman reports the storm waves are about 2 meters high and 35 meters apart. What properties of waves is the reporter des

8_murik_8 [283]

Answer:

Amplitude and wavelength

Explanation:

- The amplitude of a wave is the maximum displacement of the wave, measured with respect to the equilibrium position (so, for a water wave it is the maximum height of the wave relative to the equilibrium position)

- The wavelength of a wave is the distance between two consecutive crests (or throughs) of a wave. So, for a water wave, it is the distance between two consecutive waves

Therefore, in the example in the problem we have:

- 2 meters corresponds to the amplitude

- 35 meters corresponds to the wavelength

6 0

3 years ago

Please i really need help..

stiv31 [10]

C.) chemical to electrical to light

6 0

3 years ago

Read 2 more answers

A comet is cruising through the solar system at a speed of 50,000 kilometers per hour foe 4 hours time. What is the total distan

Triss [41]

Answer:

<em>The distance covered by comet is </em> $200,000 km$

Explanation:

Speed is defined as the rate of change of distance with time. It is given by the equation speed= $\bold{\frac{distance}{time}}$

Thus distance= $speed*time$

In this problem it is given that speed of comet= $\frac{50,000km}{hr}$

time travelled by the comet= 4 hours

Thus distance= $speed*time$

= $500000*4$

= $\bold{200,000km}$

5 0

3 years ago