Question1a 380 kg piano slides 39m down a 27 degree incline

Reference no: EM13350035

Question1

A 380 kg piano slides 3.9m down a 27 degree incline and is kept from accelerating by a man who is pushing back on it parallel to incline.

a) Find out force exerted by the man

b) find out work done by the man on the piano

Question2

The electric force between two electrons with a distance of 0.87 m between them is repulsive. Compute the electric force between these two electrons. The value of Coulomb constant 9 × 109 N · m2/C2 and elemental charge is 1.6 × 10−19 C.

Question3

A dragonfly is clocked at 2.0 m/s, North at one moment, and then 2.0 seconds later, dragonfly appears to be going just about 3.5 m/s, West. In that 2-second interval, what is an average acceleration of the dragonfly?

Reference no: EM13350035

Questions Cloud

Question 1 a as a tourism professional how would you : question 1 a as a tourism professional how would you critically analyse the performance of the tourism sector. discuss

Question part-1the city of south pittsburgh maintains it : question part-1the city of south pittsburgh maintains it books so as to purpose fund accounting statements and records

Question1three identical 360 masses are hung by three : question1three identical 3.60 masses are hung by three identical springs. each spring has a force constant of 4.90 and

Question 1as mauritius continues to attract a growing : question 1as mauritius continues to attract a growing number of foreigners to its shores investors have been showing a

Question1a 380 kg piano slides 39m down a 27 degree incline : question1a 380 kg piano slides 3.9m down a 27 degree incline and is kept from accelerating by a man who is pushing back

Question1a tabletop gamer has designed a game that requires : question1a tabletop gamer has designed a game that requires three dice to be thrown onto a tray with a measurement

Question1a piece of copper wire has a resistance per unit : question1a piece of copper wire has a resistance per unit length of6.1510-3? m. the wire is wound into a thin flat coil

Question 1 john company has 490000 shares of 10 par value : question 1. john company has 490000 shares of 10 par value general stock outstanding. during the year john declared a

Question 1following the popularization of sustainable : question 1following the popularization of sustainable development as an environmental management concept by the

User Account

All Pages