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ELEN [110]
3 years ago
5

2. 2. A drawing that shows the outline of an object is called​

Physics
1 answer:
madreJ [45]3 years ago
4 0
Lineart

Answer: the answer is lineart
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Because the Earth has it's own gravity that keeps us put, and we also have the moon.

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An airplane is fl ying with a velocity of 240 m/s at an angle of 30.0° with the horizontal, as the drawing shows. When the altit
netineya [11]

Answer:

\theta=41.52^{\circ}

Explanation:

Given that,

Velocity of the  airplane, v = 240 m/s

Angle with horizontal, \theta=30^{\circ}

The altitude of the plane is 2.4 km, d = 2400 m

Vertical speed of the airplane, v_y=v\ sin\theta=240\ sin(30)=120\ m/s

Horizontal speed of the airplane, v_x=v\ cos\theta=240\ sin(30)=207.84\ m/s

So, the equation of the projectile for the flare is given by :

4.9t^2+120t-2400=0

On solving the above equation, we get the value of t as:

t = 13.04 seconds

Horizontal distance travelled,

d=v_x\times t

d=207.84\times 13.04

d = 2710.23 m

Let \theta is the angle with which it hits the target. So,

tan\theta=\dfrac{2400}{2710.23}

\theta=41.52^{\circ}

Hence, this is the required solution.

4 0
3 years ago
How much elastic potential energy is stored in a bungee cord with a spring constant of 10.0 N/m when the cord is stretched 2.00
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the correct answer is B. 20.0 J

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