If RT is greater than BA, which statement is true? By the converse of the hinge theorem, mC = mS. By the hinge theorem,TS > A
C. By the converse of the hinge theorem, mS > mC. By the hinge theorem, BA = RT.
2 answers:
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Hinge theorem states "If 2 triangles have 2 sets of congruent sides, the larger included angle will have a longer side"
Converse Hinge theorem states, "<span>If the two sides of one triangle are congruent to two sides of another triangle, and the third side of the first triangle is greater than the third side of the second triangle, then the included angle of the first triangle is larger than the included angle of the second triangle."</span>
<span>By the converse of the hinge theorem, mC = mS. FALSE. EITHER ANGLE IS LARGER THAN THE OTHER
By the hinge theorem,TS > AC. FALSE. CONGRUENT SIDES BASED ON THE GIVEN IMAGE.
By the converse of the hinge theorem, mS > mC. TRUE.
By the hinge theorem, BA = RT. FALSE. 3RD SIDE OF EITHER TRIANGLE WILL BE LONGER THAN THE OTHER.
</span>
Hinge theorem states "If 2 triangles have 2 sets of congruent sides, the larger included angle will have a longer side"
Converse Hinge theorem states, "<span>If the two sides of one triangle are congruent to two sides of another triangle, and the third side of the first triangle is greater than the third side of the second triangle, then the included angle of the first triangle is larger than the included angle of the second triangle."</span>
<span>By the converse of the hinge theorem, mC = mS. FALSE. EITHER ANGLE IS LARGER THAN THE OTHER
By the hinge theorem,TS > AC. FALSE. CONGRUENT SIDES BASED ON THE GIVEN IMAGE.
By the converse of the hinge theorem, mS > mC. TRUE.
By the hinge theorem, BA = RT. FALSE. 3RD SIDE OF EITHER TRIANGLE WILL BE LONGER THAN THE OTHER.
</span>
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Let the initial position of the rocked is at the origin of the cartesian coordinate system where the illustrative path of the rochet has been shown in the figure.
As per assumed sine convention, the physical quantities like displacement, velocity, acceleration, have been taken positively in the positive direction of the x and y-axis.
Let the point P(x,y) be the position of the rocket at any time instant t as shown.
Gravitational force is acting downward, so it will not change the horizontal component of the initial velocity, i.e. is constant.
So, after time, t, the horizontal component of the position of the rocket is
The vertical component of the velocity will vary as per the equation of laws of motion,
, where,s, u and a are the displacement, initial velocity, and acceleration of the object in the same direction.
(a) At instant position P(x,y):
The vertical component of the initial velocity is, .
Vertical displacement =y
So, s=y
Acceleration due to gravity is in the downward direction.
So, (as per sigh convention)
Now, from equation (ii),
This is the required, quadratic equation, where and
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(b) At the highest point the vertical velocity,v, of the rocket becomes zero.
From the law of motion,
The rocket will reach the maximum height at
So, from equations (ii) and (iv), the maximum height, is
In the case of vertical launch, , and
and
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Height from the ground= 11.5+3=14.5 m.
(c) Height of rocket after t=4 s:
This is the mathematical position of the graph shown which is below ground but there is the ground at , so the rocket will be at the ground at t=4 s.
(d) The position of the ground is, y=-3m.
Solving this for a vertical launch.
and
(neglecting the negative time)
So, the time to reach the ground is 3.25 s.
(e) Height from the ground is 13m, so, y=13-3=10 m
Assume vertical launch,
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There are two times, one is when the rocket going upward and the other is when coming downward.
