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3 years ago

The number of particles in a gas system inversely affects _ and directly affects _.

1 answer:

5 0

The answer is A.
When a substance is a gas, it fills its container no matter how many particles it's made of, however the number of particles present will directly affect the pressure and temperature of the system.

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A 0.13 g plastic bead is charged by the addition of 1.0Ã1010 excess electrons. what electric field eâ (strength) will cause the

slavikrds [6]

The working equation for this is: E = F/Q, where E is the strength of electric field, F is the force and Q is the charge. The force is equal to:

F = mg = (0.13/1000 kg)(9.81 m/s²) = 1.2753×10⁻³ N

The charge of he excess electrons is equal to:
Q = (-1.6021766208×10⁻¹⁹ C/electron)(1×10¹⁰ electrons)
Q = -1.6021766208×10⁻⁹ C

E = 1.2753×10⁻³ N/-1.6021766208×10⁻⁹ C
E = -795,979.66 N/C

5 0

4 years ago

Which statement best describes the positions of the two elements in the periodic table?

vagabundo [1.1K]

The two elements are in the same period, with Element R the first element in the period and Element Q the last element.

4 0

3 years ago

A 481-m long spaceship passes by an observer at the speed of 2.70×10^8 m/s. What length does the observer measure for the spaces

galben [10]

Answer:

209.66 m

Explanation:

Given:

Original length of the spaceship, L = 481 m

Speed of the spaceship, v = 2.70 × 10⁸ m/s

Now,

using the concept of length contraction, we have

$L=\frac{L'}{\sqrt{1-\frac{v^2}{c^2}}}$

where,

L' is the observed length

c is the speed of the light

Thus,

on substituting the respective values, we get

$481=\frac{L'}{\sqrt{1-\frac{(2.70\times10^8)^2}{(3\times10^8)^2}}}$

L' = 209.66 m

3 0

4 years ago

The mass of the skateboard is 1.8kg and the mass of the skateboarder is 42kg.

Murljashka [212]

Total momentum must be conserved since there are no external forces in the horizontal direction on the skateboarder or the skateboard.

Momentum before the jump:
$P = m_1v_1 + m_2v_2 = (1.8kg)(0) + (42kg)(0) = 0$

Momentum after the jump:
$P = m_1v_1 + m_2v_2 = (1.8kg)(v_1) + (42kg)(0.3 \frac{m}{s} ) = 0$

Solving for the velocity v:
$v_1 = - \frac{m_2v_2}{m_1} = - \frac{(42kg)(0.3 \frac{m}{s} )}{1.8kg} = -7 \frac{m}{s}$

4 0

4 years ago

A 10.0-cm-long solenoid of diameter 0.400 cm is wound uniformly with 800 turns. A second coil with 50 turns is wound around the

levacccp [35]

Answer:

M = 6.32 x 10⁻⁶ H

Explanation:

given,

Length of solenoid = 10 cm = 0.1 m

diameter = 0.40 cm

radius = 0.2 cm = 0.002

number of turns, N₁ = 800

N₂ = 50

mutual inductance will be equal to

$M = \dfrac{\mu_0N_1N_2A}{l}$

$M = \dfrac{4\pi \times 10^{-7}\times 800\times 50 \times \pi \times (0.002)^2}{0.01}$

M = 6.32 x 10⁻⁶ H

hence, mutual inductance of the combination of two coil is equal to M = 6.32 x 10⁻⁶ H

7 0

4 years ago

The number of particles in a gas system inversely affects _____ and directly affects _____.

The number of particles in a gas system inversely affects _ and directly affects _.