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3 years ago

Pressure, V is volume , T is temperature of a gas and R is gas constant.

Physics

1 answer:

Ilya [14]3 years ago

6 0

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A boat moves up and down as water waves pass under the boat. If the amplitude of the wave gets bigger, then

xeze [42]

The anwser is A or D

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3 years ago

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A ship sets sail from Rotterdam, The Netherlands, heading due north at 8.00 m/s relative to the water. The local ocean current i

Nuetrik [128]

Answer:

The velocity of the ship relative to the earth V = 9.05 $\frac{m}{s}$

Explanation:

The local ocean current is = 1.52 m/s

Direction $\theta$ = 40°

Velocity component in X - direction $V_{x}$ = 1.52 $\cos 40$ °

$V_{x}$ = 1.164 $\frac{m}{s}$

Velocity component in Y - direction $V_{y}$ = 8 + 1.52 $\sin 40$ °

$V_{y}$ = 8.97 $\frac{m}{s}$

The velocity of the ship relative to the earth

$V = \sqrt{V_{x}^{2} + V_{y} ^{2} }$

Put the values of $V_{x}$ and $V_{y}$ we get,

⇒ $V = \sqrt{1.164^{2} + 8.97 ^{2} }$

⇒ V = 9.05 $\frac{m}{s}$

This is the velocity of the ship relative to the earth.

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3 years ago

Ionic compounds _____.

aleksandr82 [10.1K]

Explanation:

Are the compounds formed by the ionic bonding or electronic bonding. They are formed by transferring the electron form one element's valance shell to other element's shell.

i hope it helps...

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3 years ago

Fast and safe heart rate for workouts is called muscular strength? True or false

Vsevolod [243]

Answer:

False

Explanation:

8 0

2 years ago

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A railroad freight car of mass 3.34 × 104 kg collides with a stationary caboose car. They couple together, and 19.0% of the init

Tresset [83]

Answer:

4.123 * 10∧4 kg

Explanation:

mass of car M' = 3.34 * 10∧4 kg

energy loss E = 19/100 K

from law of conservation of momentum ,

M' V' = ( M' + M'' ) v

V = M' V' / ( M' + M'' )

Initial kinetic energy is K' = (M' V')² / 2

final kinetic energy K" = 81 K' /100

= (M' V')² 81 / (200) = ( M' + M'' ) v²/ 2

therefore , M' / ( M' + M" ) = 0.81

mass of caboose is , M" = 1.234 M' - M'

M" = .234 M'

= 0,234 ( 3.34 * 10∧4 kg)

= 4.123 * 10∧4 kg

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3 years ago