Answer:
B
Explanation:
Acceleration = rate of change in velocity
a = (21-12)/(0.45) = 20cm/s^2
Answer:
Explanation:
Given:
volume of urine discharged, 
time taken for the discharge, 
diameter of cylindrical urethra, 
length of cylindrical urethra, 
density of urine, 
a)
we have volume flow rate Q:
& 
where:
cross-sectional area of urethra
velocity of flow
b)
The pressure required when the fluid is released at the same height as the bladder and that the fluid is at rest in the bladder:
Answer:
if the object is already moving and a force is applied in the same direction, the object will speed up or accelerate.
hope this helped :)
The most important thing that one would need to have is a clear, vivid, active, convincing imagination. In reality, time travel is not possible.
The formula for the time period oscillation of a spring is:
T = 2π√(m/k) where m is the mass of the object attached to the spring and k is the spring constant of the spring.
Multiplying m by 4 we have:
2π√(4m/k)
= 2π x 2√(m/k)
or 2 x (2π√(m/k)) or 2T.
Therefore, when object is four times as massive, then period will double.
