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torisob [31]
4 years ago
5

How many elements have been identified a.118 b. 209 c.150

Physics
2 answers:
REY [17]4 years ago
6 0

Hydrogen to Ununbium are known, with Ununbium only been discovered in 1996. Elements 114, 116 and 118 have also been discovered more recently, bringing the total to 118 known elements.

ANSWER: A. 118

tamaranim1 [39]4 years ago
4 0
A 118 FOR SURE Let’s gooooooo
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Help plss .. Two bicyclists are accelerating forward in a straight line, and Biker 1 has less
castortr0y [4]

Explanation:

Remember Newton's Second Law.

F=ma

If the force acting on both bikers is the same, we can look at the relationship between acceleration and mass.

If Biker 1 has a mass of 10kg and Biker 2 has a mass of 20kg, and both are being acted upon by a force of 100 N, let's see what that looks like. 100 = 10*a_1 \rightarrow a_1 = 100/10 = 10

100 = 20 *a_2 \rightarrow a_2 = 100/20 = 5

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4 0
3 years ago
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lara31 [8.8K]

Answer:

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We solve for the acceleration using the the 3rd constant-acceleration equation.

(Vx)f² = (Vx)i² + 2ax∆x

We have the displacement to be

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From isaac newton's second law,

51000kg x 2.61m/s²

= 133,000N

The engines thrust is half of this value

Therefore thrust = 67000N or 67kN

8 0
3 years ago
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