A closed circle means the number is included and an open circle means its not.
The direction of electric field by the charge in and on the metal block will be along the direction line 5 as given in question.
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How to determine electric field direction in a metal block?</h3>
The charge always remain on outer surface of metal and inside the metal block, the net electric field is zero. But due to dipole there is an electric field at the center of metal block i.e. at point R along direction line 1.
Now, to make make the net electric field zero at center, the electric field by the charge in and on the metal block must be equal in magnitude to that of electric field due to dipole at point R and in opposite direction to that of the net electric field at at R due to dipole.
The electric field by the charge in and on the metal block will be making 180° angle to the electric field due to dipole at point R.
Hence the direction of electric field by the charge in and on the metal block will be along the direction line 5 as given in question.
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The law states that external forces cause objects to accelerate, and the amount of acceleration is directly proportional to the net force and inversely proportional to the mass of the object.
If you can’t copy and paste it just reword it
Answer:
a) 
b) 
Explanation:
From the question we are told that:
Height
Bounce Height 
Generally the Kinematic equation is mathematically given by
Therefore Height
b)
Generally the Kinematic equation is mathematically given by
Answer:
Explanation:
The Work-Kinetic Energy Theorem states that the work done on a particle of mass "m", equals the particle's change in Kinetic Energy (final Kinetic Energy of the particle "
" minus the initial Kinetic energy of the particle "
"), and it is expressed as:
where we have used the explicit form of the KE of a particle of mass m and velocity 
. Of course, 
stands for the final velocity of the particle, and 
for the particle's initial velocity.
