A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs
A body travels 200 cm in the first two seconds and 220 cm in the next 4 secs with deceleration.…
7 years ago
Motion in Straight Line
A boy standing at top of a tower of 20 m height drops a stone
A boy standing at top of a tower of 20 m height drops a stone.assuming g=10 ms⁻²,the velocity with which…
7 years ago
A ship A is moving westwards with a speed of 10 km/h .The time after
A ship A is moving westwards with a speed of 10 km/h .The time after which the distance between them…
7 years ago
A missile is fired for maximum range with an initial velocity of 20 m/s
A missile is fired for maximum range with an initial velocity of 20 m/s. If g = 10 m/s², the…
7 years ago
A particle moves a distance x in time but according to equation x=(t+5)⁻¹
A particle moves a distance x in time but according to equation x=(t+5)⁻¹.The acceleration of particle is proportional to Options…
7 years ago
A particle has initial velocity(3i⃗ +4j⃗)and has acceleration (0.4i⃗ +0.3j⃗)
A particle has initial velocity(3i⃗ +4j⃗)and has acceleration (0.4i⃗ +0.3j⃗). It's speed after 10s is: Options (a) 7 units (b)…
7 years ago
A bullet loses 1/20 of its velocity after penetrating a plank.How many planks
A bullet loses 1/20 of its velocity after penetrating a plank.How many planks are required to stop the bullet Options…
7 years ago
An aeroplane flies 400m due to North and then 300m due to south and then flies
An aeroplane flies 400m due to North and then 300m due to south and then flies 1200m upwards, the net…
7 years ago
A car accelerates from rest at constant rate for first 10s and covers a distance x.
A car accelerates from rest at constant rate for first 10s and covers a distance x. It covers a distance…
7 years ago
The displacement of particle is given by x=aₒ+(a₁t/2)-(a₂t²/3) what is acceleration?
The displacement of particle is given by x=aₒ+(a₁t/2)-(a₂t²/3) what is acceleration? Options (a) 2a₂ / 3 (b) - 2a₂ /…
7 years ago