The fastest recorded speed for a golf ball hit by a golfer is 75.8 m/s (273 km/h). If mass of golf ball is 46 g, what is the magnitude of its momentum?
a) 3.49 kg m/s
b) 4.49 kg n/s
c) 5 kg m /s
d) 3.49 kg m/s2
∆p/∆t = . . . . . . .
a) a
b) v
c) F
d) none
A collection of particles that can interact with each other but whose interaction with the environment outside the collection has a negligible effect on their motion is called…… system.
a) open
b) isolated
c) closed
d) all of these
In an isolated system final momentum is equal to . . . . . .
a) initial momentum
b) velocity
c) acceleration
d) speed
An event during which particles come close to each other and interact by means of force is called . . . . . .
a) fusion
b) blast
c) collision
d) explosion
When the particles of the system move apart from each other after a brief, intense interaction then this is called . . . . .
a) collision
b) explosion
c) fusion
d) interaction
