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3 years ago

Discuss potential behavioral concerns for people should they travel to Mars

Physics

1 answer:

Anna35 [415]3 years ago

6 0

Answer:

The ability of our bodies to adapt to different levels of gravity. You would become weaker and your heart is use to zero gravity. Boredom because there isn't much to in space. When intelligent people get bored, it's not pretty all the time...

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You are driving a 2400.0-kg car at a constant speed of 14.0 m/s along a wet, but straight, level road. As you approach an inters

olya-2409 [2.1K]

Answer:0.43

Explanation:

Given

mass of car $m=2400 kg$

Speed of car $u=14 m/s$

Distance traveled before coming to halt $s=23.2 m$

Let $\mu$ the coefficient of friction

Maximum deceleration road can provide during motion is

$a=\mu g$

using $v^2-u^2=2 as$

$0-14^2=2\cdot (-\mu g)\cdot 23.2$

$\mu =\frac{196}{454.72}$

$\mu =0.431$

7 0

3 years ago

A voltage of 12 cos(I000t+45) Vis applied to a circuit in which a resistor of 4 .n, aninductor of L H, and a capacitor of 100 μF

vlabodo [156]

Answer:

0.01 H

Explanation:

V = 12 cos (1000t + 45)

C = 100 micro farad

Let the inductance be L .

When the current and the voltage are in the same phase so it is the condition of resonance.

So capacitive reactance = inductive reactance

Xc = XL

1/ωC = ωL

L = 1 / ω²C

By comparisonV = Vo Cos (ωt + Ф)

ω = 1000 rad/s

L = 1 / (1000 x 1000 x 100 x 10^-6)

L = 1 / 100

L = 0.01H

thus, the inductance of the inductor is 0.01 H.

8 0

3 years ago

A 20-kg child starts at the center of a playground merry-go-round that has a radius of 1.5 mm and rotational inertia of 500kg⋅m2

Lemur [1.5K]

Answer:

w = 0.189 rad/ s

Explanation:

This exercise we work with the conservation of the moment, the system is made up of the merry-go-round and the child, for which we write the moment of two instants

Initial

L₀ = I₀ w₀

Final

$L_{f}$ = I w

L₀ = L_{f}

I₀ w₀ = I_{f} w

.w = I₀/I_{f} w₀

The initial moment of inertia is

I₀ = 500 kg. m2

The final moment of inertia

$I_{f}$ = 500 + m r²

I_{f} = 500 + 20 1.5

I_{f} = 530 kg m²

Initial angular velocity

w₀ = 0.20 rad / s

Let's calculate

w = 500/530 0.20

w = 0.189 rad / s

6 0

3 years ago

A car has a mass of 1500. It is traveling north a 8 m/s. What is the cars momentum

Mama L [17]

Momentum = mass x velocity
= 1500 x 8
= 12000 kg m/s

7 0

3 years ago

APPLIC

sergeinik [125]

Answer:

1.43 x1000=1430

Explanation:

8 0

3 years ago