The correct answer to the question is : 7 m/s.
EXPLANATION:
As per the question, the apple is at a height h = 2.5 m.
The initial velocity of the apple u = 0
We are asked to calculate the final velocity [ v ] of the apple before touching the ground.
As the apple is falling under gravity, then the acceleration produced on the apple is nothing else than acceleration due to gravity.
Hence, acceleration a = g =
From equation of kinematics , we know that -
⇒
⇒
⇒
⇒
⇒ [ans]
Hence, the final velocity is 7 m/s.
Displacement is your answer :)
Answer:
Explanation:
Given
Mass of car
Force applied
time period
Acceleration associated with car
Acceleration is the change in velocity w.r.t time
thus, the change in velocity is
Answer:
Explanation:
It is given that,
The radius of the solid sphere, R = 50 cm = 0.5 m
Charge on the sphere,
We need to find the magnitude of the electric field r = 10.0 cm away from the center of the sphere. The electric field at point r away form the center of the sphere is given by :
So, the electric field 10.0 cm away from the center of the sphere is . Hence, this is the required solution.