motion and spedd Flashcards
1
Q
acceelrarion
A
change in velocity/time
2
Q
si unit of acceleration
A
m-2
3
Q
train example fit with which law of newton
A
1
4
Q
impulse
A
force which act on bpodies for short prod
5
Q
who was first who recognise thatall bodies maess towards earth
A
gallelio
6
Q
keepler 2nd law
A
aereal velocity of planet around sun is constant
7
Q
van allen radiation belt
A
a belt of electric charge in eart hmagnetic field
8
Q
escape velocity
A
11.2 kms-2
9
Q
perpendicula to wave
A
transverse
10
Q
which propogate in form of compression and rarefraction
A
longitudnal wave
11
Q
which is used in radar system
A
microwaves
12
Q
which ray is used in dehydrated fruit
A
infrared
13
Q
which ray use in burglar alarm
A
uv
14
Q
which has highest frequency
A
dolphin
15
Q
bats are producing
A
ultrasound
