Answer:
a bus moving with acceleration of 2 meter per second square
Answer:
molecular studies help us understand phylogenetic relationships better because it adds a new dynamic and information to the field of morphological studies. Molecular studies is a relatively newer method to interact with and test phylogenetic relationships.
Answer:
.
Explanation:
Because the track is level and frictionless, the net force on this car-load system will be zero in the horizontal direction. As a result, (by Newton's Second Law of mechanics,) the total momentum of this system in the horizontal direction will stay the same.
Momentum of the car-load system in the horizontal direction, before contact:
- Car: .
- Load: zero (for it is dropped "vertically.")
Combine the two parts to obtain: .
Because the load stays on the car, the car and the load should have the same horizontal velocity after contact. Let denote that velocity. Momentum of the system after contact:
- Car: .
- Load: .
Combine to obtain:
.
Because the total momentum of the system will stay the same:
.
Solve for to obtain:
.
In other words, the new velocity of the system would be .
Answer:
If the mass of both of the objects is doubled, then the force of gravity between them is quadrupled; and so on. Since gravitational force is inversely proportional to the square of the separation distance between the two interacting objects, more separation distance will result in weaker gravitational forces.
BRAINLIEST? plz
Las mascotas son una buena fuente de compañía y socias en la soledad.
La protagonista ama a su gato porque las mascotas son una buena fuente de compañía y es un antídoto para la soledad. Estas mascotas como perros, gatos, loros, etc. dan placer y felicidad a las personas.
La gente tiene mascotas para pasar tiempo con ellas y jugar con ellas para refrescar sus mentes. Tener mascotas es una actividad maravillosa que hace que nuestra mente esté relajada y llena de felicidad, por lo que podemos concluir que las mascotas son una buena fuente de compañía y compañera en la soledad.
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