3 years ago

Which atmospheric gas is primarily responsible for the greenhouse effect?

Physics

1 answer:

maksim [4K]3 years ago

5 0

Carbon dioxide is, it is primarily emitted by machines.

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All parts of the electromagnetic spectrum travel at a speed of 3 × 108 m/s when traveling through no medium. A "vacuum” means th

il63 [147K]

Answer:

the answer is D.

Explanation:

8 0

3 years ago

Read 2 more answers

Find the 24th term of the arithmetic sequence 11, 14, 17, … . Express the 24 terms of the series of this sequence using sigma no

Anna71 [15]

Answer:

The 24th term is 80 and the sum of 24 terms is 1092.

Explanation:

Given that,

The arithmetic series is

11,14,17,........24

First term a = 11

Difference d = 14-11=3

We need to calculate the 24th term of the arithmetic sequence

Using formula of number of terms

$t_{n}=a+(n-1)d$

Put the value into the formula

$t_{24}=11+(24-1)\times3$

$t_{24}=80$

$t_{24}=u_{24}=80$

We need to calculate the sum of the first 24 terms of the series

Using formula of sum,

$S_{n}=\dfrac{n}{2}(a+u_{24})$

Put the value into the formula

$S_{n}=\dfrac{24}{2}\times(11+80)$

$S_{n}=1092$

Hence, The 24th term is 80 and the sum of 24 terms is 1092.

5 0

4 years ago

The armature windings of a dc motor have a resistance of 5.0 Ω. The motor is connected to a 120-V line, and when the motor reach

Snezhnost [94]

Answer:

The current in the motor in this case is 13.2 A

Explanation:

Given:

Resistance $R =$ 5 Ω

Emf $E = 120$ V

Induced emf $E _{induced} = 108$ V

When motor run at half speed due to load increased then induced emf is also reduced to half of its value

So new induced emf in our case is given by,

$E_{induced } = \frac{108}{2} = 54$ V

$I = \frac{V}{R}$

Where $V =$ $E - E_{Induced }$

$I = \frac{120-54}{5}$

$I = 13.2$ A

Therefore, the current in the motor in this case is 13.2 A

3 0

3 years ago

1. Uranium-238 decays by giving off one particle, and the decay can be represented by the following nuclear equation: 92238U 902

const2013 [10]

The complete equation is: 92238U --> 90234Th + 42He

This type of radiation is alpha decay in which an alpha particle is a Helium nucleus with 2 protons and 2 nuetrons. This nucleus/alpha particle(s) are released to stabilize the radioactive atom, in this case, the 92238Uranium.

7 0

4 years ago

How much current is present if you have a line with 0.0001 C of charge running every 0.17 s?

cricket20 [7]

Answer:

Q=it

where Q=Charge

i= Current

t=time

i=Q/t

= 0.0001/0.17

=5.88x10-⁴Amperes

7 0

3 years ago