Answer:
Explanation:
1) is true since two like charges repel and two unlike charges attract each other.
2) is true since the neutral word itself means number of positive charge is equal to number of negative charge.
3) is true
4) yes electric charge is conserved.
5) false since two like charges repels each other.
5) True since two unlike charges attract each other.
Answer:
<h2>39.15 N</h2>
Explanation:
The force acting on an object given it's mass and acceleration can be found by using the formula
force = mass × acceleration
From the question we have
force = 14.5 × 2.7
We have the final answer as
<h3>39.15 N</h3>
Hope this helps you
Answer:
85 m/s
Explanation:
The formula for momentum is product of weight and velocity
p=mv where m is mass and v is velocity
Given that;
Momentum = 153 kg*m/s
Weight = 1.8 kg
Velocity = ?
p=mv
153 = 1.8 * v
153/1.8 = v
85 m/s
A)conversion I think, it is if I'm wrong, sorry
The hand saw would involve more work because it takes more time and effort.
