A ballon rises from rest with a constant acceleration g/8. A stone is released
A ballon rises from rest with a constant acceleration g/8. A stone is released from it when it has risen…
7 years ago
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One litre hard water contains 12 mg Mg²⁺. Milli equivalents of washing soda
One litre hard water contains 12 mg Mg²⁺. Milli equivalents of washing soda required to remove its hardness is Options…
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
If R is the radius of the earth and g is the acceleration due to gravity
If R is the radius of the earth and g is the acceleration due to gravity on the earth surface,…
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 particle moves in a circle of radius 5 cm with constant speed and time period
A particle moves in a circle of radius 5 cm with constant speed and time period 0.2πs. The acceleration of…
7 years ago
The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball
The radius of a ball is(5.2±0.2)cm.The percentage error in the volume of the ball is approximately Options (a) 11 %…
7 years ago
What will be the ratio of the distance moved by a freely falling body from rest in 4th
What will be the ratio of the distance moved by a freely falling body from rest in 4th and 5th…
7 years ago
The distance travelled by a particle starting from rest and moving with an acceleration
The distance travelled by a particle starting from rest and moving with an acceleration (4/3)ms⁻², in the 3rd second is…
7 years ago
A particle has initial velocity (3i + 4j) and acceleration (0.1 i+0.3j). It’s speed after 10s
A particle has initial velocity (3i + 4j) and acceleration (0.1 i+0.3j). It's speed after 10s is Options (a) 7…
7 years ago