Answer:
Vi = 4.38 m/s
Explanation:
Given
m = 1000 kg ;
y = 8m ;
T = 11000 N;
∑Fy = m*a
W - T = m * a
(1000kg * 9.8 m/s² ) - 11000N = 1000 kg * a
a = - 1.2 m/s²
Using the equation from parabolic motion
Vf ² = Vi² + 2*a*y
Solve to Vi
Vi = √ 2* 1.2m/s² * 8 m
Vi = √19.2 m²/s²
Vi = 4.38 m/s
Answer:
a and b
Explanation:
first one breaks it and second one directly makes it weaker
Answer:
Kinematics is a <em>subfield of physics, developed in classical mechanics, that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the forces that cause them to move.</em>
Explanation:
Hope this helps!
Blazetoxic123
Answer:
All the meteors in a meteor shower typically come from the same comet, which is in a periodic orbit around the Sun. The dust from the comet follows the path of the parent body and as Earth intersects the debris along the comet's orbit, it plows into this material. Since the dust particles are all moving together in space before they encounter Earth, if you trace back the streak of each meteor, its path will appear to diverge from one place in the sky.