Answer:
Explanation:
Given
weight of block 
A force is of
is applied on the block
As 1 N is less than weight of block so block exert Force less than its weight


So Block exert a force of 2 N downward on floor
Answer: Do you like science experiments ? 1)
Would You enjoy reading a fashion magazine? 2)
Explanation:
Answer: 0.492 s
Explanation:
We can use the following equation to solve this problem:
Where:
is the car’s final velocity
is the car’s initial velocity (it starts from rest)
is the car's acceleration
is the time we have to find
Isolating
:
Finally:
Answer:A
Explanation:
Particles are displaced and return to their normal position after the wave passes
Your stomach. afterwards it is dissolved by the stomach acid and the nutrients travel to your cells