Question

1.A car increate its speed from 20 kmh-1

to 30 km-1

in 10 second. Its acceleration is :

a) 30 ms-2

b) 3 ms-2

c) 18 ms-2

d) 0.83 MS-2

2. An object moves with a uniform velocity of 9.8 ms-1

, its acceleration is :

a) Zero

b) 4.9 ms-2

c) 9.8 ms-1

d) 19.6 ms-1​

Answer 1

Answer:

1.A car increate its speed from 20 kmh-1

to 30 km-1

in 10 second. Its acceleration is :

a) 30 ms-2

b) 3 ms-2

c) 18 ms-2

d) 0.83 MS-2

2. An object moves with a uniform velocity of 9.8 ms-1

, its acceleration is :

a) Zero

b) 4.9 ms-2

c) 9.8 ms-1

d) 19.6 ms-1