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3 years ago

the planet Jupiter has a much more mass than Earth what would happen to an astronaut who landed on Jupiter

Physics

1 answer:

bulgar [2K]3 years ago

4 0

The astronaut would collapse under the increased gravity on Jupiter.

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(1 point) A frictionless spring with a 6-kg mass can be held stretched 0.2 meters beyond its natural length by a force of 50 new

guapka [62]

Answer:

x(t) = 0.077cos(6.455t)

Explanation:

If the spring can be stretched 0.2 m by a force of 50 N, then the spring constant is:

k = 50 / 0.2 = 250 N/m

The equation of simple harmonic motion is as the following:

$x(t) = Acos(\omega t - \phi)$

where $\omega = \sqrt{k/m} = \sqrt{250 / 6} = 6.455$

We also know that the initial velocity is 0.5 m/s, which is also the maximum speed at the equilibrium:

$v_{max} = A\omega$

$A = v_{max}/\omega = 0.5 / 6.455 = 0.077 m$

$\phi = 0$ is the initial phase

Therefore, the position of the mass after t seconds is

x(t) = 0.077cos(6.455t)

6 0

4 years ago

Everything in the world has the same density. True or False?

JulijaS [17]

False
Nothing has the same destiny everything has their own destiny to follow

4 0

3 years ago

A wave has a period of 2.0 s. what is its frequency?

Elden [556K]

Answer: Frequency of 1 ÷ 2 = 0.5 Hz.

4 0

3 years ago

Sam and Maria put two batteries in a flash light. Once the flashlight was turned on, what two types of energy were produced?

scoray [572]

The flashlight depends on batteries, the batteries contain chemical energy. When the flashlight turns on, there was also thermal energy caused by the heat of the lighting

7 0

3 years ago

If a person uses about 4 calories to fuel a minute of walking, and it takes about 20 minutes to walk a mile, approximately how m

Lemur [1.5K]

Answer:

43.75 miles must a person walk to utilize the energy in (“burn”) a pound of fat.

Explanation:

3,500 calories are present in 1 pound of the fat.

Thus, given that:

4 calories are burnt in 1 minute of walking.

So,

1 calories are burnt in 1/4 minute of walking.

Or,

1 calories are burnt in 0.25 minute of walking.

Thus,

3500 calories are burnt in 0.25*3500 minutes of walking

Minutes of walking needed to burn 3500 calories = 875 minutes.

Also, given that:

20 minutes of walking covers 1 mile.

1 minute of walking covers 1/20 mile.

So,

875 minutes of walking covers (1/20)*875 mile.

43.75 miles must a person walk to utilize the energy in (“burn”) a pound of fat.

6 0

3 years ago