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3 years ago

The loss of an organism at the bottom of a food chain negatively impacts all organisms in the chain.

Physics

2 answers:

hammer [34]3 years ago

7 0

If this is a true or false question, it is True.

Alika [10]3 years ago

6 0

It is a true fact that the loss of an organism at the bottom of a food chain negatively impacts all organisms in the chain.

Explanation:

This is because if the below organism which is constantly interchanged with plants, no herbivores would eat those plants, thus, will also die, which will also determine that the next consumers will have trifle to eat which will also happen to their deaths. So, yes. It concerns it negatively. And very negatively.

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When performing a battery load test, what should the load be set to?

ASHA 777 [7]

Answer:

here you go

Explanation:

1. With a battery load tester, apply a load equal to one-half of the CCA rating of the battery for 15 seconds. ...

2. With a battery load tester, apply a load equal to one-half the vehicle's CCA specification for 15 seconds.

3. Disable the ignition and turn the engine over for 15 seconds with the starter motor.

3 0

3 years ago

F. If the shuttle's period is synchronized with that of Earth's rotation, what is the height of the shuttle? (1 day = 8.64x104s,

oee [108]

Answer:

1.324 × 10⁷ m

Explanation:

The centripetal acceleration, a at that height above the earth equal the acceleration due to gravity, g' at that height, h.

Let R be the radius of the orbit where R = RE + h, RE = radius of earth = 6.4 × 10⁶ m.

We know a = Rω² and g' = GME/R² where ω = angular speed = 2π/T where T = period of rotation = 1 day = 8.64 × 10⁴s (since the shuttle's period is synchronized with that of the Earth's rotation), G = gravitational constant = 6.67 × 10⁻¹¹ Nm²/kg², ME = mass of earth = 6 × 10²⁴ kg. Since a = g', we have

Rω² = GME/R²

R(2π/T)² = GME/R²

R³ = GME(T/2π)²

R = ∛(GME)(T/2π)²

RE + h = ∛(GMET²/4π²)

h = ∛(GMET²/4π²) - RE

substituting the values of the variables, we have

h = ∛(6.67 × 10⁻¹¹ Nm²/kg² × 6 × 10²⁴ kg × (8.64 × 10⁴s)²/4π²) - 6.4 × 10⁶ m

h = ∛(2,987,477 × 10²⁰/4π² Nm²s²/kg) - 6.4 × 10⁶ m

h = ∛75.67 × 10²⁰ m³ - 6.4 × 10⁶ m

h = ∛(7567 × 10¹⁸ m³) - 6.4 × 10⁶ m

h = 19.64 × 10⁶ m - 6.4 × 10⁶ m

h = 13.24 × 10⁶ m

h = 1.324 × 10⁷ m

3 0

3 years ago

A mass M is attached to an ideal massless spring. When this system is set in motion with amplitude A, it has a period T. What is

Tasya [4]

Answer:

C) T

Explanation:

$M$ = Mass attached to an ideal spring

$A$ = Amplitude of the motion

$T$ = Time period of oscillation

$k$ = Spring constant of the spring

$A$ = Amplitude of the motion

Time period of oscillation of the mass attached to the spring is given as

$T = 2\pi \sqrt{\frac{M}{k} }$

So we see that the time period does not depend on the amplitude. hence the period of oscillation remains the same.

8 0

4 years ago

Why is Carbon Tetrahydride a covalent bond? plzzz helpppp!!!!!!

arlik [135]

Answer:

carbon has four unpaired electrons in its valence shell . hydrogen having one unpaired electron in its valence shell comes to bond with carbon by sharing a pair of electrons .since carbon needs 4 electrons to be stable, 4 hydrogen atoms take part in the bond . It's a covalent bond because the difference between the electronegativity of carbon and hydrogen is quite small .

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3 years ago

A hockey stick moves toward a puck sitting on ice. A blue arrow labeled A points up from the puck. A blue arrow labeled F subscr

Lunna [17]

Answer:

normal force, the pluck will move off in a different direction

Explanation:

7 0

3 years ago

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