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3 years ago

HELPP

Physics

1 answer:

Brrunno [24]3 years ago

7 0

Answer:

they are like charges so they magnitude repulsive & direction will be ones left &ones right. but it depends on the axis of rotation.

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musickatia [10]

The answer is C because <span>this movement is caused by the heat in Earth and creates </span>convection currents. <span>Convection currents in the asthenosphere cause movement of Earth's tectonic plates. </span>

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3 years ago

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Can someone help me with this free body diagram problem?

zavuch27 [327]

Lol I just finished this

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3 years ago

Which of the following is true of the planet jupiter

shtirl [24]

Jupiter is the fifth planet from the Sun and the largest in the Solar System. It is a giant planet with a mass one-thousandth that of the Sun, but two and a half times that of all the other planets in the Solar System combined.

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4 years ago

A 10 kg turkey, He kicks the 0.5 kg ball with a force of 50N for 0.2 seconds and the ball flies straight away horizontally from

Harman [31]

Answer:

a. 20m/s

b.50N

c. Turkey has a larger mass than the ball. Neglible final acceleration and therefore remains stationery.

Explanation:

a. Given the force as 50N, times as 0.2seconds and the weight of the ball as 0.5 kg, it's final velocity can be calculated as:

$F\bigtriangleup t=m\bigtriangleup v\\\\50N\times 0.2s=0.5kg\times \bigtriangleup v\\\\\bigtriangleup v=2(50N\times0.2)\\\\=20m/s$

Hence, the velocity of the ball after the kick is 20m/s

b.The force felt by the turkey:

#Applying Newton's 3rd Law of motion, opposite and equal reaction:

-The turkey felt a force of 50N but in the opposite direction to the same force felt by the ball.

c. Using the law of momentum conservation:

-Due to ther external forces exerted on the turkey, it remains stationery.

-The turkey has a larger mass than the ball. It will therefore have a negligible acceleration if any and thus remains stationery.

-Momentum is not conserved due to these external forces.

5 0

4 years ago

if the angular diameter of an object is 15 arc seconds and it is 1.4 billion kilometers away, how big is its physical size?

kaheart [24]

the actual diameter of the object is 1.017×10⁵km

actual diameter, d = any line segment that passes through the center of the circle

angular diameter, θ = the angle that an actual diameter of an object makes.

distance, D= the actual path travel

distance of the object ,D= 1.4 billion = 1.4×10⁹km

angular diameter of an object,θ = 15arc

θ = 15 ×π/ (60×60×180) rad

[ ∵ 1 revolution = 2π = 360°×60×60]

Using the relation,

θ = d/D {angular diameter = actual diameter/ distance}

d = θD

d = 1.4×10⁹×[15×3.14/(60×60×180) ] km

= 1.017×10⁵km

This shows the actual diameter of the object is 1.017×10⁵km

It is the physical size of object.

To learn more about diameter of an object here

brainly.com/question/16833730

#SPJ4

7 0

2 years ago