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Andrei [34K]
4 years ago
8

Is there more empty space in an atom or More mass

Physics
1 answer:
DedPeter [7]4 years ago
3 0
More empty space in mass !!
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How long does it take to run 150 meters at the speed of 18 km
Rus_ich [418]

Answer: 8.3 hours

Explanation:

time= distance divided by speed so:

150 divided by 18= 8.3 hours

4 0
2 years ago
A 0.086 kg bullet is fired at 266 m/s and collides with a 6.3 kg wooden block that is initially stationary. The bullet embeds in
olga2289 [7]

Answer:

The value of speed of wooden block at the instant after the collision   V_f = 262.41  \frac{m}{s}

Explanation:

Given data

Mass of block = 6.3 kg

Mass of bullet = 0.086 kg

Velocity of bullet V_0 = 266 \frac{m}{s}

Final velocity of whole system is

V_f = M_{b}\frac{ V_0}{M_b + (M_{block})}

Put all the values in above formula we get

V_f = \frac{(6.3)(266)}{(6.3 + 0.086)}

V_f = 262.41  \frac{m}{s}

This is the value of speed of wooden block at the instant after the collision.

7 0
3 years ago
Boyle's Law states that when a sample of gas is compressed at a constant temperature, the pressure P and volume V satisfy the eq
gayaneshka [121]

Answer:

The volume is decreasing at 160 cm³/min

Explanation:

Given;

Boyle's law,  PV = C

where;

P is pressure of the gas

V is volume of the gas

C is constant

Differentiate this equation using product rule:

V\frac{dp}{dt} +P\frac{dv}{dt} = \frac{d(C)}{dt}

Given;

\frac{dP}{dt} (increasing pressure rate of the gas) = 40 kPa/min

V (volume of the gas) =  600 cm³

P (pressure of the gas) = 150 kPa

Substitute in these values in the differential equation above and calculate the rate at which the volume is decreasing ( \frac{dv}{dt});

(600 x 40) + (150 x \frac{dv}{dt}) = 0

\frac{dv}{dt} = -\frac{(600*40)}{150} = -160 \ cm^3/min

Therefore, the volume is decreasing at 160 cm³/min

3 0
3 years ago
A scientist uses a camera to study the stars.
likoan [24]

Answer:

All of teh above except A

Explanation:

3 0
3 years ago
Frictional force increases with the increase in the _______________ of the surface.
Sedaia [141]

Answer:

Frictional force increases with the increase in the roughness of the surface.

Explanation:

You will see that the rougher the surface, the greater the wear and tear.

7 0
3 years ago
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