s22473
Asked:
December 2022
A 20 g marble travels to the right at 0.4 ms-1 on a smooth, level surface. It collides head- on with a 60 g marble moving to the left at 0.2 ms-1. After collision, the 20 g marble rebounds at 0.1 ms-1. Find the velocity of the 60 g marble.plz...
s22473
Asked:
December 2022
What options are true about momentum * 1 point a. Momentum is a vector quantity b. The Unit of Momentum is kgm/s c. When two bodies acts on each other and no external force is acting on the system, then the momentum remains constant d. All of the above
s22473
Asked:
December 2022
An object of mass 100kg is accelerated uniformly from a velocity of 4 m/s to 8 m/s in 2 seconds. Calculate the initial and final momentum of the object * 1 point a. 400 kgm/s,800 kgm./s b. 100 kgm/s,400 kgm./s c. 200 kgm/s,400 kgm./s d. 400 kgm/s,400 kgm./s