The magnitude of two forces, which when acting at right angle produce resultant force of VlOkg and when acting at 60° produce resultant of Vl3 kg. These forces are D. gravitational force of attraction towards the centre of the earth. A sample of metal weighs 219 gms in air, 180 gms in water, 120 gms in an <em>unknown fluid</em>.
Explanation:
Given parameters:
Force = 30N
Weight Susan = 45kg
Weight of Dad = 100kg
Unknown:
Acceleration of Susan = ?
Acceleration of Dad = ?
Solution:
Force = mass x acceleration
Acceleration =
Acceleration of Susan = = 0.67m/s²
Acceleration of Dad = = 0.3m/s²
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Answer:
The value is
Explanation:
From the question we are told that
The mass of each sphere is
The length of the string is
The angle of with the vertical is
The acceleration due to gravity is
Generally the force acting between the forces is mathematically represented as
=>
Generally from Pythagoras theorem the radius of the circular curve created by the force is
=>
=>
=>
=>
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