Answer:
2621.25 meters
Explanation:
First, write down what we are given.
Initial velocity = 27.5 m/s
Final velocity = 42.4 m/s
Time = 75 seconds
We need to look at the kinematic equations and determine which one will be best. In this case, we need an equation with distance. I am going to use
, but you can also use the other equation, 
We need to find acceleration. To find it, we need to use the formula for acceleration:
. Plugging in values, 
Next, plug in what we know into the kinematics equation and solve for distance. 
Answer:

Explanation:
information we have:
mass: 
lenght: 
frequency: 
time: 
and from the information we have we can calculate the angular velocity
. which is defined as


----------------------------
Now, to calculate the torque
We use the formula

where
is the moment of inertia and
is the angular acceleration
moment of inertia of a uniform rod about the end of it:

substituting known values:

for the torque we also need the acceleration
which is defined as:

susbtituting known values:

and finally we substitute
and
into the torque equation
:
Risks are only in a persons
Answer: Gases have three characteristic properties: (1) they are easy to compress, (2) they expand to fill their containers, and (3) they occupy far more space than the liquids or solids from which they form. An internal combustion engine provides a good example of the ease with which gases can be compressed.
Explanation: