F - False.
Electric charges can also be transferred by Contact.
Answer:
Explanation:
Since momentum is a vector, you, indeed, in <em>two dimension</em> collisions, you can decompose it in two components, the x-direction and the y-direction, such as you do with the force, which is a vector too.
The law of conservation of <em>momentum</em> states that the total momentum before and after the collision are conserved.
Let's assume a collision in one dimension: x-direction.
If object A is moving to the right, its momentum is to the right. If objcet B is at rest its momentum is zero. Then, if when object A collides with object B, the first stops, the second must move to the right with a momentum in the x-direction equal to the momentum that object A initially had.
You can apply the same reasoning if object A is moving in two dimensions, and, a similar one, if object B is not at rest: at the end the momentum in each direction before the collision has to be equal to the momentum in each direction after the collision.
Answer:
Explanation:
The moment of inertia of the system is equal to the each population and the platform inertia so
Inertia disk
Inertia person
Inertia dog
The Inertia of the system is the sum of each mass taking into account that all exert the force of inertia:
Answer:
Relative to Carlos the Whataburger is moving at 0 speed.
Explanation:
Carlos speed, = 35 m/s
speed of another car, = -25 m/s
The speed of the Whataburger, = 35 m/s since it is in the same car as Carlos.
The relative of the Whataburger to Carlos is given as;
Therefore, Relative to Carlos the Whataburger is moving at 0 speed.
The answer is a because it never needs to be insulated