0

Guest

Courses New

How much momentum will a dumb-bell of mass 10 kg transfer to the floor if it falls from a height of 80 cm? Take its downward acceleration to be 10 ms –2 ,

How much momentum will a dumb-bell of mass 10 kg transfer to the floor if it falls from a height of 80 cm? Take its downward acceleration to be 10 ms–2,

Grade:12

1 Answers

Harshit Singh
askIITians Faculty 5963 Points
2 years ago
Dear Student

Mass of dumb-bell = 10 kg
Height, h = 80 cm = 0.8 m
a = 10 m/s^2
u = 0
v2– u2= 2 as
v2– (0)^2= 2 × 10 × 0.8
v2= 16
v = 4 m/s
Momentum p = mv
= 10 × 4
= 40 kgm/s

Thanks

Think You Can Provide A Better Answer ?

Other Related Questions on 9 grade science

View all Questions »

View courses by askIITians

Design classes One-on-One in your own way with Top IITians/Medical Professionals

Click Here Know More

Complete Self Study Package designed by Industry Leading Experts

Click Here Know More

Live 1-1 coding classes to unleash the Creator in your Child

Click Here Know More

a Complete All-in-One Study package Fully Loaded inside a Tablet!

Click Here Know More