It changes the motion as Newton's second law of motion states that a force, acting on an object, will change its velocity by changing either its speed or its direction or both. If your basketball goes rolling into the street and is hit by a bike, either the ball will change direction or its speed or both.
The effective mass of the system is 12 kg.
<u>Explanation:</u>
- The effective mass of the system is given by the expression,
= mₓ + 1/2 m₁ + 2/5 m₂
- In the above equations the subscript x denotes block B and the subscript 2 denotes the mass of the solid sphere and the subscript 1 denotes the pulley.
- Expressing the above functions with the data given below. we have,
= 6 kg + 1/2 (4 kg) + 2/5 (10 kg)
= 12 kg.
with the findings above we can conclude that the effective mass of the system is 12 kg
Answer:
No
Explanation:
When a substance changes its state , there will not be any change in the mass of substance . For example , if we change 100 grams of water (liquid) to ice(solid) , the mass of ice will be same i.e., 100 grams . This shows there is no change in the mass even if a substance changes its state.
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Answer:

Explanation:
The magnetic field strength is given by:

where
is the vacuum permeability
I is the current
r is the distance from the wire
In this problem,
I = 6.5 A
r = 6.3 cm = 0.063 m
So, the magnetic field strength is
