Eric throws a basketball straight up into the air. As it rises, which form of energy is increasing? A. elastic potential energy
2 answers:
Answer:
C) Gravitational potential energy
Explanation:
As ball is thrown upwards then we can say that speed of the ball will decrease as it will move upwards.
This is due to gravity which act opposite to the motion of the ball
So as the ball is thrown upwards the initial kinetic energy of the ball will start decreasing as it will move upwards
Here we also know that gravitational potential energy of the ball is given as
so as the ball start rising upwards the potential energy of the ball will increase
so here correct answer will be
C) Gravitational potential energy
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The density is 5.22 g/cm³.
Density=
Density=
Density= 5.22 g/cm³
Density=
Density=
Density= 5.22 g/cm³
Answer:
By a factor of 1/4.
Explanation:
The impulse force that applies to an object undergoing rapid deceleration just before coming to a stop on the ground is given by the following formula,
in which ,
represent the change in momentum and the time taken for that change.
If one increases the time that is taken for the momentum change (which remains constant for this situation) by a factor 4 and if that new force is represented by , the following manipulation confirms the answer to this question.
Here is the force that was applied to the object previously.
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The vertical height of the given plane is 4.9 m.
The given parameters:
- <em>speed of the object at the bottom of the ramp, v = 9.8 m/s</em>
The vertical height of the plane is calculated by applying principle of conservation of mechanical energy as follows;
Thus, the vertical height of the given plane is 4.9 m.
Learn more about conservation of mechanical energy here: brainly.com/question/332163