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Ksivusya [100]
3 years ago
9

An endangered species is a species that has died out and no individuals are left. True or false

Physics
2 answers:
valentinak56 [21]3 years ago
8 0

Answer:

the answer is false... ....

Contact [7]3 years ago
3 0

Answer:

False

Explanation:

A species that has died our ans has no individual's left would be considered extict.

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The theory of plate tectonics describes how the Earth’s lithosphere is broken into plates and these plates move over the molten
Mumz [18]

Answer:

C

Explanation:

A theory can be changed when new evidence is found. A law doesn't change because it is universally a fact. It doesn't need new evidence to support it.

5 0
3 years ago
3. A bicycle has a momentum of 25.00 kg* m/s and a velocity of 2.5 m/s . What is the bicycle's
Anna35 [415]

Answer:

10 kg

Explanation:

The question is most likely asking for the mass of the bicycle.

Momentum is the product of an object's mass and velocity. Mathematically:

p = m * v

Where p = momentum

m = mass

v = velocity

Hence, mass is:

m = p / v

From the question:

p = 25 kgm/s

v = 2.5 m/s

Mass is:

m = 25 / 2.5 = 10 kg

The mass of the bicycle is 10 kg.

In case the question requires the Kinetic energy of the bicycle, it can be gotten by using the formula

K. E = ½ * p * v

K. E. = ½ * 25 * 2.5 = 31.25 J

5 0
4 years ago
Give some sources of potential difference (P.D) that you know.
Anna [14]
  1. All type of Batteries
  2. secondary batteries ( Rechargeable battery) example car battery etc . these battery contain Sulphuric acid as there electrolytic
  3. Primary Battery (Non Recharge) example Dry cell , pencil cell . These battery contain chemicals they react when we use the battery and can't be recharged again we need to replace each and every time
4 0
3 years ago
A 1.5 wire carries a 8 A current potential difference of 89 V is applied . What is the resistance of the wire
S_A_V [24]
We have no idea what the 1.5 means. Fortunately, we don't need it.

Resistance = voltage / current

= (89 v) / (8 A) = 11.125 ohms
8 0
3 years ago
An object is dropped out of an airplane that is moving horizontally at 350 m/s and is 22,000 m above the ground. Ignoring fricti
lilavasa [31]

Answer:

Vx = 350m/s

Vy  = 656.99 m/s

Explanation:

at the time of drop, the horizontal velocity of the object is same as of plane.

Since friction is ignored, horizontal velocity remains unchanged.

Vx = 350m/s  

but the Vy increases due to gravitational acceleration

V^2 - U^2 = 2as

V: FINAL VELOCITY

U: INITIAL VELOCITY

U = 0 m/s

v=\sqrt{2as}= \sqrt{2(9.81)(22000)}  = 656.99 m/s

8 0
3 years ago
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