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3 years ago

Which land class has the least restrictions and is best for cultivation

Physics

2 answers:

Ganezh [65]3 years ago

7 0

Answer:

land scaping

Explanation:it makes your yard look lit imfao

STatiana [176]3 years ago

7 0

Answer:

class #3

Explanation:

The soils are deep, well-drained, easily worked, hold water well and are either fairly well supplied with plant nutrients or highly responsive to the application of fertilizers.

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A car traveling 77 km/h slows down at a constant 0.48 m/s2 just by "letting up on the gas." A) Calculate the distance the car co

vfiekz [6]

Answer:

(a) 477 m

(b) 44.6 s

(d) 19.24 m

Explanation:

initial speed, u = 77km/h = 21.4 m/s

acceleration, a = - 0.48 m/s2

final speed v = 0

(a) let the stopping distance is s.

Use third equation of motion

$v^2 = u^2 + 2 a s\\\\0 = 21.4^2 - 2 \times 0.48\times s\\\\s = 477 m$

(b) Let t is time.

Use first equation of motion

v = u + at

0 = 21.4 - 0.48 t

t = 44.6 s

Use second equation of motion

$s = u t + 0.5 at^2\\\\s = 21.4\times 1 - 0.5\times 0.48\times 1\\\\s = 21.4 - 0.24 = 21.16 m$

(d) distance traveled in 5 th second is given by

$s = u + 0.5 a (2 n - 1) \\\\s = 21.4 - 0.5\times 0.48 \times (2\times 5 -1)\\\\s= 21.4 - 2.16 = 19.24 m$

8 0

3 years ago

A large box of mass M is pulled across a horizontal, frictionless surface by a horizontal rope with tension T. A small box of ma

Alexxx [7]

Answer:

Explanation:

Given

Mass of big box is M and small box is m

Tension T will cause the boxes to accelerate

$T=(M+m)a$

where a=acceleration of the boxes

Now smaller box will slip over large box if the acceleration force will exceed the static friction

i.e. for limiting value

$\mu _smg=ma$

$a=\mu _s\cdot g$

thus maximum tension

$T=\mu _s(M+m)g$

6 0

4 years ago

Why cant body builders swim please give reasons.

Ronch [10]

The main reason is becouse these people are over 200 pounds and no mater how strong you are arms arnt ment to keep you up thanks.

8 0

3 years ago

Read 2 more answers

The bulb of the thermometer placed at the head of a distillation apparatus should be adjacent to the condenser. Explain the effe

Margarita [4]

Answer:

a) If the thermometer is placed well below the condenser it will record a higher temperature.

b) If the thermometer is placed well above the condenser it will record a lower temperature.

Explanation:

A) ) If the thermometer is placed below the opening to the condenser, a higher temperature will be recorded than if it is placed close to the opening since the bulb is contact with both the vapuor and liquid that is entering the condenser.

B) If the thermometer is placed above the condenser, a lower temperature will be recorded than if it is placed close to the opening since the bulb is not in full contact with both the vapuor and liquid that is entering the condenser.

6 0

3 years ago

Un móvil, que sale desde un punto situado 3 metros a la izquierda del origen y lleva un movimiento uniforme, se sitúa a 12 metro

Verdich [7]

Answer:

x₁ = 15 m, x₂ = 12 m , x_total = 27m, v₁ = 5 m / s , v₂ = - 3 m / s

Explanation:

In this exercise we will use the kinematics of uniform motion

v = d / t

let's apply this equation for the first move

v₁ = Δx / t = (x₂-x₀) / t

v₁ = (12- (-3)) / 3

v₁ = 5 m / s

the distance traveled is x₁ = 15 m

Now let's analyze the return movement

v₂ = Δx / dt

v₂ = (0 - 12) / 4

v₂ = - 3 m / s

The negative sign indicates that the vehicle is moving to the left

the distance traveled is x₂ = 12 m

The total dystonia is

x_total = x₁ + x₂

x_total = 15 +12

x_total = 27m

In the attached we have the graphics of the movement

8 0

4 years ago