A student whose weight is 50 kg is standing in an elevator. The force felt by the feet of the student will be maximum, when the lift is

A boy having a mass equal to 40 kilograms is standing in an elevator. The force felt by the feet of the boy will be greatest when the elevator (g=9.8"metres"//sec^(2))

A man of mass 90kg is standing in an elevator whose cable broke suddenly. If the elevator falls, apparent weight of the man is:

A man of mass 90kg is standing in an elevator whose cable broke suddenly. If the elevator falls, apparent weight of the man is:

A person of weight 50 kg is moving down in an elevator Calculate downward acceleration offered by the elevator whose reaction force is 400 N on the surface .

The weight (in kg) of students are given below : Find the median weight of a student.

The average weight of a class of 20 students is 45 kgs. A new student whose weight is 40 kgs replaces an old student of this class. Hence, the average weight of the whole class decreases by 1 kg. The weight of the replaced student is :

The average weight of a class of 20 students is 45 kgs.A new student whose weight is 40 kgs replace an old student of this class.Hence the average weight of the whole class decreases by 1 kg.the weight of the replace student is:

The average weight of students in a class was 60.5 kg. When & students, whose average weight was 65 kg, joined the class, then the average weight of all the students increased by 0.9 kg. The total number of students now in the class is:

In a class there are 50 students.Their average weight is 45 kg.When a student leaves the class,the average is reduced by 100 g.Find the weight of the student who left the class.

A man of mass 80 kg stands in an elevator. Calculate his apparent weight when, (i) elevator is at rest