Answer:
Un'auto si muove lungo un percorso rettilineo con velocità variabile come mostrato in figura. Quando l'auto è in possesso di A, la sua velocità è 10 ms-1 e quando è in posizione B, la sua velocità è 20 ms-1. Se l'auto impiega 5 secondi per spostarsi da A a B, trova l'accelerazione dell'auto.
Explanation:
It's kinda tough, since we don't know the actual numerical locations of the points, only an approximate picture.
The big ball has 11 times the mass of the small ball, so the small ball is 11 times as far from the barycenter as the big ball is.
If any of the points is marked at the actual barycenter, it can only be point-A .
Answer:
B erosion
Explanation:
Erosion would usually require water
Answer:
30 m/s
Explanation:
Speed is distance over time. 60 meters / 2 seconds, = 30 m/s.
Answer:
Explanation:
Case 1
Given,
initial angular speed = 0 rev/s
final angular speed = 2 rev/s
time, t = 7 s
angular acceleration of the washer
using equation of rotational motion
Case 2
Given,
initial angular speed = 2 rev/s
final angular speed = 0 rev/s
time, t = 12 s
angular acceleration of the washer
using equation of rotational motion
total revolution in this case
total revolution of the washer is equal to 20 rev.
