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3 years ago

List down the different phases of the Moon

Physics

2 answers:

kkurt [141]3 years ago

8 0

Answer:

NEW MOON 

WAXING CRESCENT

FIRST QUARTER 

WAXING GIBBOUS

FULL MOON

THIRD QUARTER 

WANING GIBBOUS

WANING CRESCENT

 

Explanation:

HOPE IT HELPS

mixas84 [53]3 years ago

7 0

Answer:

new Moon.

waxing crescent Moon.

first quarter Moon.

waxing gibbous Moon.

full Moon.

waning gibbous Moon.

last quarter Moon.

waning crescent Moon.

Explanation:

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3 years ago

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Calculate the workdone to stretch an elastic string by 40cm if a force of 10 newton produces an extension of 4cm in it

notka56 [123]

Answer:

Workdone = 20 Joules

Explanation:

Given the following data;

Force = 10N

Extension, e = 4cm to meters = 4/100 = 0.04 meters

Workdone extension = 40cm to meters = 40/100 = 0.4 meters

To find the work done;

First of all, we would find the spring constant using the formula;

Force = spring constant * extension

10 = spring constant * 0.04

Spring constant = 10/0.04

Spring constant = 250 N/m

Next, we find the work done;

Workdone = ½ke²

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Workdone = ½ * 250 * 0.4²

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3 years ago

A man weighing 680N and a woman weighing 500N have the same momentum. What is the ratio of the man's kinetic energy Km to that o

svet-max [94.6K]

Answer:

$\dfrac{K_m}{K_w}=0.734$

Explanation:

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weight of the man = 680 N

weight of the woman = 500 N

mass of man = $\dfrac{680}{9.8}$

M_m = 69.4 Kg

mass of woman

= $\dfrac{500}{9.8}$

M_w = 51 Kg

ratio of man's kinetic energy Km to that of the woman Kw

$\dfrac{K_m}{K_w}=\dfrac{\dfrac{P_m^2}{2M_m}}{\dfrac{P_w^2}{2M_w}}$

momentum is same

$\dfrac{K_m}{K_w}=\dfrac{2M_w}{2M_m}$

$\dfrac{K_m}{K_w}=\dfrac{M_w}{M_m}$

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4 years ago

Why does height affect bounce efficiency?

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2 years ago

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The nucleus in an iron atom has a radius of about 4.0 10-15 m and contains 26 protons. (a) What is the magnitude of the repulsiv

zhenek [66]

Answer:

The repulsive electrostatic force between two of the protons is 14.4 N.

Explanation:

Given;

distance between the two protons, r = 4 x 10⁻¹⁵ m

charge of a proton, q = + 1.6 x 10⁻¹⁹ C

The repulsive electrostatic force between two of the protons is calculated by applying Coulomb's law;

$F = \frac{k q_1 q_2 }{r^2} \\\\where;\\k \ is \ Coulomb's \ constant = 9\times 10^9 \ Nm^2/C^2 \\\\F = \frac{9\times 10^9 \ (1.6\times 10^{-19})^2}{(4 \times 10^{-15})^2} \\\\F = 14.4 \ N$

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3 years ago

List down the different phases of the Moon​

List down the different phases of the Moon