Displacement is the distance between the starting and ending points, in the direction from the starting point to the ending point, all regardless of the route followed from the starting point to the end point.
The woman's displacement is therefore 30 meters north.
Answer:
B. The media released popular information.
Explanation:
We do not share the power in our media.
Answer:
part (a) 
Part (b) 
Explanation:
Given,
- Mass of the larger disk =

- Mass of the smaller disk =

- Radius of the larger disk =

- Radius of the smaller disk =

- Mass of the block = M = 1.60 kg
Both the disks are welded together, therefore total moment of inertia of the both disks are the summation of the individual moment of inertia of the disks.

part (a)
Given that a block of mass m which is hanging with the smaller disk,
Let 'T' be 'a' be the tension in the string and acceleration of the block.
From the free body diagram of the smaller block,

From the pulley,

From the equation (1) and (2),

part (b)
Above expression for the acceleration of the block is only depended on the radius of the pulley.
Radius of the larger pulley = 
Let
be the acceleration of the block while connecting to the larger pulley.
Answer:
<h2>1500 kg</h2>
Explanation:
The mass of the car can be found by using the formula

From the question we have

We have the final answer as
<h3>1500 kg</h3>
Hope this helps you
Da Vinci was fascinated by how timepieces operate. Based on one of his sketches, it uses the laws of motion and a vertical "flying" pendulum escapement to keep accurate time.
The pendulum's weights, in a bucket suspended from a crane-style arm, act as the clock's power source. The weights propel the pendulum from vertical post to vertical post. As it "flies" it turns precision gears, which in turn keep time. To speed up or slow the clock, adjust the weight-balance of the pendulum by adding or removing weights.