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3 years ago

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

= 3.7N/kg

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A constant current is sent through a helical coil. the coil

marissa [1.9K]

Answer:

A. Tends to get shorter.

Explanation:

When a constant current is sent through a helical coil, then currents are different turns will be equal as well as in the same direction. As currents in same direction attract each other, hence coil tends to get shorter.

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3 years ago

(NEED HELP ASAP)

Mice21 [21]

Answer:

a = 0.98J

Explanation:

PE = mgh

PE = 0.1 x 9.8 x 1

PE = 0.98J

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3 years ago

How do you find the density of an object?

Travka [436]

Density is mass divided by volume p=m/v

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3 years ago

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A 2-kg block sliding at 4.5m's north hits a wall and rebounds at 3.2 m s south What is the object's change in momentum?

ZanzabumX [31]

Answer:

2.6kgm/s

Explanation:

Momentum is the product of mass of an object and its velocity

Change in momentum = mass × change in velocity

Change in momentum = m∆v

Given

Mass m =2kg

Change in velocity ∆v = 4.5-3.2

∆v = 1.3m/s

Change in momentum = 2×1.3

Change in momentum = 2.6kgm/s

Hence the object change in momentum is 2.6kgm/s

6 0

3 years ago

The picture tube in a particular television draws a current of 16 A

Mars2501 [29]

The number of electrons per second is $1\cdot 10^{20}$

Explanation:

The current intensity is defined as the amount of electric charge that passes through a given point in a certain time:

$I=\frac{q}{t}$

where

I is the current

q is the amount of charge

t is the time elapsed

Moreover, assuming that the charge carriers are electrons, the charge can be written as

$q=Ne$

where

N is the number of electrons

$e=1.6\cdot 10^{-19}C$ is the charge of one electron

Re-writing the equation,

$I=\frac{Ne}{t}$

Here we have:

I = 16 A

t = 1 s

Therefore, the number of electrons is

$N=\frac{It}{e}=\frac{(16)(1)}{1.6\cdot 10^{-19}}=1\cdot 10^{20}$

Learn more about current:

brainly.com/question/4438943

brainly.com/question/10597501

brainly.com/question/12246020

#LearnwithBrainly

3 0

4 years ago