Answer:
The last one makes the most sense as they combine two like things that are easy to visualize
Explanation:
Answer:
The hottest temperature is 
Explanation:
From the question we are given
Generally converting 
to Fahrenheit
=> 
=> 
Converting 
to Fahrenheit
=> 
=> 
Now comparing the temperature in Fahrenheit we see that is the hottest
Answer:
angular acceleration is -0.2063 rad/s²
Explanation:
Given data
mass m = 95.2 kg
radius r = 0.399 m
turning ω = 93 rpm
radial force N = 19.6 N
kinetic coefficient of friction μ = 0.2
to find out
angular acceleration
solution
we know frictional force that is = radial force × kinetic coefficient of friction
frictional force = 19.6 × 0.2
frictional force = 3.92 N
and
we know moment of inertia that is
γ = I ×α = frictional force × r
so
γ = 1/2 mr²α
α = -2f /mr
α = -2(3.92) /95.2 (0.399)
α = - 7.84 / 37.9848 = -0.2063
so angular acceleration is -0.2063 rad/s²
Explanation:
Given that,
Linear speed of both disks is 5 m/s
Mass of disk 1 is 10 kg
Radius of disk 1 is 35 cm or 0.35 m
Mass of disk 2 is 3 kg
Radius of disk 2 is 7 cm or 0.07 m
(a) The angular velocity of disk 1 is :
(b) The angular velocity of disk 2 is :
(c) The moment of inertia for the two disk system is given by :
Hence, this is the required solution.
May you please provide a picture of the table, so that I can see his error? Otherwise I can not solve.
