Answer:
I know someone anwsered but it would be 400M
Explanation:
i initial velocity (u)=10m/s
acceleration (a)=0
time taken (t) =40s
then distance (s)=u t +1/2 a t^2
s= u t +0 (as a is 0)
s= 10 x 40
s= 400M
Answer:
The force is
Explanation:
From the question we are told that
The volume of blood ejected is 
The velocity of the ejected blood is 
The mass density of blood is 
The heart rate is 
Generally the average force exerted is mathematically represented as

=> 
=>
I believe it is a conductor I am learning this myself so I may be wrong
noting or pertaining to a speed less than that of sound in air at the same height above sea level.
Answer:


Explanation:
Given:
- mass of the object,

- elastic constant of the connected spring,

- coefficient of static friction between the object and the surface,

(a)
Let x be the maximum distance of stretch without moving the mass.
<em>The spring can be stretched up to the limiting frictional force 'f' till the body is stationary.</em>


where:
N = m.g = the normal reaction force acting on the body under steady state.


(b)
Now, according to the question:
- Amplitude of oscillation,

- coefficient of kinetic friction between the object and the surface,

Let d be the total distance the object travels before stopping.
<em>Now, the energy stored in the spring due to vibration of amplitude:</em>

<u><em>This energy will be equal to the work done by the kinetic friction to stop it.</em></u>




<em>is the total distance does it travel before stopping.</em>