A ball of mass 0.4 kg thrown up in air w...

A ball of mass 0.4 kg thrown up in air with velocity 30 m/s reaches the highest point in 25 seconds. The air resistance encountered by the ball during upward motion is

0.48 N

4800 N

300 N

300 dyne

Text Solution

Verified by Experts

The correct Answer is:

Topper's Solved these Questions

KINETICS THEORY OF GASES
MBD PUBLICATION|Exercise QUESTION BANK|264 Videos
MAGNETISM AND MATTER
MBD PUBLICATION|Exercise QUESTION BANK|191 Videos

Similar Questions

Explore conceptually related problems

A cricket ball of mass 250 g collides with a bat with velocity of 10 m/s and returns with the same velocity in 0.01s. The force acting on the bat is

A cricket ball of mass 0.2 kg moving with a velocity of 20 m/s is brought to rest by the player in 0.1 sec. Find the impulse of the force on the ball and average force applied by the player

A ball of mass 150g starts moving at 20 m/s^2 and hit by a force which acts on it for 0.1 second. Then the impulsive force is

A ball is thrown vertically upwards with velocity of 25m/s from the top of a tower of height 30m . How long will if travel before it hits the ground ?

Bulltes of 0.03 kg mass each hit a plate at the rate of 200 bullets per second, with a velocity of 50 m/s and reflect back with a velocity of 30 m/s. The average force acting on one plate (in Newton) is

A body thrown vertically upwards reaches a height of 30m in 4 seconds. Does it cover the first half of its journey in 2 seconds ? Give reason for your answer

A particle of mass 100g is thrown vertically upwards with a speed of 5 m/s. What is the work done by the force of gravity during the time the particle goes up ?

A body of mass 2 kg is dragged with a velocity of 2 m/s on a rough horizontal plane. The coefficient of friction between the body and the surface is 0.10. Calculate the amount of heat generated in 5 sec (J=4.2"joule"//calandg=9.8m//s^2)

A machine gun of mass 15 kg fires 30g bullets at the rate of 5 bullets per second with a velocity of 500 m/s. What force in newton's must be applied to the gun to hold in position ?

MBD PUBLICATION-LINEAR MOMENTUM FORCE-QUESTION BANK

A stone is dropped from the window of a train running at 50 (km)/(hr)....
Text Solution
|
A 0.2 kg object at rest is subjected to a force (0.3hati - 0.4 hatj) N...
Text Solution
|
A ball of mass 0.4 kg thrown up in air with velocity 30 m/s reaches th...
Text Solution
|
A force factor applied on mass is represented by vec F = 6hati - 8hatj...
Text Solution
|
A cricket ball of mass 250 g collides with a bat with velocity of 10 m...
Text Solution
|
A bullet of mass 10 g is fired from a gun of mass 1 kg with recoil vel...
Text Solution
|
A bomb explodes into two pieccs of masses 4 kg and 8 kg. The velocity ...
Text Solution
|
A 8000 kg rocket is set for vertical firing. If the exhaust speed of g...
Text Solution
|
A rocket of initial mass 6000 kg ejects gases at a constant rate of 16...
Text Solution
|
In a rocket of mass 1000 kg, fuel is consumed at the rate of 40 kg/s. ...
Text Solution
|
A machine gun has a mass 5 kg. It fires 50 gm bullets at the rate of 3...
Text Solution
|
A block at rest explodes into 3 parts of the same mass. The momentum o...
Text Solution
|
A shell of mass 20 kg moving horizontal at 4 m/s explodes into two par...
Text Solution
|
The fuel in a rocket is burnt at the rate of 50 kg/s and the gases are...
Text Solution
|
A man weighting 60 kg is standing in lift. Find the thrust on the floo...
Text Solution
|
A bullet is fired from a rifle with velocity of 750 m/s. If the length...
Text Solution
|
A bullet is fired from a rifle with velocity of 750 m/s. If the length...
Text Solution
|
A bullet is fired from a rifle with velocity of 750 m/s. If the length...
Text Solution
|
A body is projected upwards with a velocity of 19.6 m/s. Find Greatest...
Text Solution
|
A body is projected upwards with a velocity of 19.6 m/s. Find the time...
Text Solution
|