Share concept 2.3 grade 4
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Airbags absorb the ....................... of the passengers during collision
energy
If the angle of inclination of a hill increases, the kinetic energy of an object moving down it will ...................
increase
The speed of an object = .................................
distance / time
(what happens if) the speed of a car increases (according to its kinetic energy)
the kinetic energy increases
A car covers 80 meters in 4 seconds, so it moves at speed equals .............. m/sec
20
(write the scientific term) The distance that an object travels in a certain amount of time
speed
The measuring units of the speed are ....................... and ...........................
Km/hr. and /sec.
