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2 answers:
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The heat capacity is given by the expression:
When the
is measured in the calorimeter, we obtain a value, and since we know the mass of the material and we control the change in
, we can then determine the specific heat "C" by simply remplazing in the expression.
Answer:
He becomes a croco-dile food
Explanation:
From the question we are told that
The height is h = 2.0 m
The angle is
The distance is
The speed is
The coefficient of static friction is
At equilibrium the forces acting on the motorcycle are mathematically represented as
where is the frictional force mathematically represented as
where is the horizontal component of the force
substituting into the equation
making a the subject of the formula
substituting values
Applying " SOHCAHTOA" rule we mathematically evaluate that length of the ramp as
making the subject
substituting values
Apply Newton equation of motion we can mathematically evaluate the final velocity at the end of the ramp as
The negative a means it is moving against gravity
substituting values
The initial velocity at the beginning of the pool (end of ramp) is composed of two component which is
Initial velocity along the x-axis which is mathematically evaluated as
substituting values
Initial velocity along the y-axis which is mathematically evaluated as
substituting values
Now the motion through the pool in the vertical direction can mathematically modeled as
where is the initial height,
is the initial velocity in the y-axis
is the initial acceleration in the y axis with a constant value of (
)
at the y= 0 which is when the height above ground is zero
Substituting values
The negative sign is because the acceleration is moving against the motion
Solving using quadratic formula
substituting values
since in this case time cannot be negative
At this time the position the motorcycle along the x-axis is mathematically evaluated as
x
So from this value we can see that the motorcycle would not cross the pool as the position is less that the length of the pool