Answer:
Explanation: El músculo esquelético está formado por fibras musculares, rodeadas de una capa de tejido conjuntivo, denominada endomisio. Las fibras se reúnen en fascículos primarios, que también están rodeados por otra capa de tejido conjuntivo, esta vez, más grueso, denominada perimisio.
To solve this problem it is necessary to apply the concepts related to the thermal transfer rate. In general, the transfer rate can be expressed as
Where,
k = Thermal conductivity
A = Cross-sectional area
= Change of temperature
L = Length
Since the two heat transfer rates are equivalent we have to:
Replacing we have,
Therefore the temperature where the two bars are joined together is 300°C
Answer: 2.67 m/s
Explanation:
Given
Mass of block A is
mass of block B is
The initial velocity of block A
the initial velocity of block B is
After collision velocity of block A is
Conserving momentum
The momentum of block A after the collision is
Therefore, there is no change in sign.
Answer:
8000Ns
Explanation:
Given parameters:
Mass of the truck = 1000kg
Initial velocity = 9m/s
Final velocity = 17m/s
Unknown:
Impulse = ?
Solution:
The impulse experienced by the truck is the the change in momentum of the body.
Impulse = Ft
Momentum = m(v - u)
Ft = m( v - u )
F is the force
t is the time
m is the mass
v is the final velocity
u is the initial velocity
Impulse = 1000(17 - 9) = 8000Ns