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Naily [24]
3 years ago
5

An astronaut has a mass of 100 kg and has a weight and if 370 N on Mars. What is the gravitational strength on Mars?

Physics
1 answer:
Reika [66]3 years ago
4 0

Answer:

3.7 N/kg

Explanation:

The gravitational strength refers to the amount of gravity acting per unit mass. Hence in this case,

Gravitational Strength = Weight / Mass

= 370 / 100

= <u>3</u><u>.</u><u>7</u><u>N</u><u>/</u><u>k</u><u>g</u>

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3 years ago
A block of ice of mass 4.30 kg is placed against a horizontal spring that has a force constant k = 250 N/m and is compressed a d
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Answer:

W = 0.060 J

v_2 = 0.18 m/s

Explanation:

solution:

for the spring:

W = 1/2*k*x_1^2 - 1/2*k*x_2^2

x_1 = -0.025 m and x_2 = 0

W = 1/2*k*x_1^2 = 1/2*(250 N/m)(-0.028m)^2

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the work-energy theorem,

W_tot = K_2 - K_1 = ΔK

with K = 1/2*m*v^2

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v_2 = 0.18 m/s

8 0
3 years ago
A wagon is accelerating down a hill. Which statement is true?
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A punted football hits the ground with a force of 50 N . According to Newton’s 3rd law of motion what also happens at the same e
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As per Newton's III law every action has equal and opposite reaction

So here we can say that

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What is the eulerian description of fluid motion how does it differ from the lagrangian description?
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Kinematics : Study of motion

Fluid kinematics : study of how fluid flows and how to describe its motion.

There are two ways to describe fluid motion

one is Eulerian, where the variations are described at all fixed stations as a function of time.

the other is Lagrangian, in which one follows all fluid particles and describes the variations around each fluid particle along its trajectory.

<u>DIFFRENCE  BETWEEN  LAGRANGIAN AND EULERIAN:</u>

1.Both Lagrangian and Eulerian describes time variation.

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2 years ago
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