Quantum mechanics, Mechanical Engineering

Assignment Help:

A ball is dropped from a height .If it takes0.200 second to cross the last 6.00 m before hitting the ground ,find the height  from which it was dropped .

Ans) We need to find H

Using second eqn of motion:

6=0.2u-5(0.04).............................u is velocity at h=6m

u=31m/s

Conserving energy:

mgh=0.5m(31)2.......................................Datum line for P.E is at 6 m from ground. h= H-6

=>h=48.05m

=>H=54.05m.


Related Discussions:- Quantum mechanics

Intermodular piping connections, Q. Intermodular Piping Connections Ali...

Q. Intermodular Piping Connections Alignment of pies shall be achieved as detailed in the construction drawings. Special attention shall be paid to the alignment and installati

Determine reactions at supports, Determine reactions at supports: Det...

Determine reactions at supports: Determine reactions at supports of supported beam of 6m span carrying increasing load of 1500N/m to 4500N/m from one end to another end.

Helix angle, what is helix angle and how to determine it?

what is helix angle and how to determine it?

Cad, nc & cnc machines

nc & cnc machines

Entropy and Enthalpy, Ask . A vessel having a volume of 0.6 m3 contains 3.0...

Ask . A vessel having a volume of 0.6 m3 contains 3.0 kg of liquid water and water vapour mixture in equilibrium at a pressure of 0.5 MPa. Calculate : (i) Mass and volume of liquid

GOVERNORS, Explain Wilson HArtnell Governor

Explain Wilson HArtnell Governor

Fuel feed system, Fuel Feed System: Fuel feed system is provided to serve ...

Fuel Feed System: Fuel feed system is provided to serve the air fuel mixture to the engine in an appropriate ratio so that it can burn efficiently and transmit power to crank shaf

Explain about the raft foundations, Explain about the Raft Foundations ...

Explain about the Raft Foundations The raft foundations are generally used for large loaded area on soils of low bearing capacity. They are of particular use when soils are of

3/8/2013 6:28:27 AM

we consider a ball it is dipped from a height equal to square of the intiial distance by 2 multiplide with g(9.8),

i.e ans is 1.83 metres.

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd