The time of motion of the track star is determined as 0.837 s.
<h3>Time of motion of the track star</h3>
The time of motion of the track star is calculated as follows;
T = (2u sinθ)/g
where;
- T is time of motion
- g is acceleration due to gravity
- θ is angle of projection
T = (2 x 12 x sin20)/9.8
T = 0.837 s
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Answer:
Planetary are deflected to right due to Coriolis effect.
Explanation:
The term Coriolis effect is defined as an effect in which the rotating object experience a force called as coriolis force which acts perpendicular to the axis of rotation and direction of motion. The effect talks about how the moving objects like ocean currents, wind are deflected due to the rotation of earth.
Winds and ocean currents are strongly affect by this effect.
The answer is c. Hope that helped
Answer:

Explanation:
As we projected the balloon at speed vo at an angle of 29 degree
so the two component of velocity is given as


now we know that in x direction we have



in y direction we have



now we have

Answer:
Newtons law of conservation energy says that energy cannot be created or destroyed because energy is always made into something else. It is always reused.
Explanation: