work power energy, Physics

Assignment Help:
A block of mass 2 kg is pulled up on a smooth incline making angle 30 degrees with horizontal . if block moves with an acceleration of 1 m/s2 , find
a) Power delivered by the pulling force at a time 4 sec after motion starts
b)average power deliverd after 4 sec the motion starts
***MY DOUBT
I am very weak in kinematics , so plz explain that the formula s=ut+1/2at^2 gives displament or distance. and if it gives displacement then it will only give the length of base of the incline and not d length of hypotenuse which if needed?

Related Discussions:- work power energy

State kirchoffs second law in electricity., Q. State Kirchoff's second law ...

Q. State Kirchoff's second law in electricity? Kirchoff's second law (voltage law) the algebraic total of the products of resistance as well as current in each part of any

Electrical Symbols, how does electrical symbols positively affects in our E...

how does electrical symbols positively affects in our Electrical subjects

.induced emf, applications of statically induced emf and dynamically induce...

applications of statically induced emf and dynamically induced emf

Explain contact forces, Contact forces: types of forces that result when t...

Contact forces: types of forces that result when the two interacting objects are apparent to be physically linking each other. Ex: frictional forces, tensional forces, normal f

International system of units, The coherent & rationalized system of units,...

The coherent & rationalized system of units, derived through the m.k.s. system (that itself is derived from the metric system) in common employ in physics today.

Describe the michelson morleys experiment, Describe the Michelson Morley's ...

Describe the Michelson Morley's experiment and explain its negative result. What is "Length Contraction" and "Time Dilation" in relativistic mechanics? Explain.

Explain logic gates, The digital circuit that can be examined with the help...

The digital circuit that can be examined with the help of Boolean algebra is known as logic circuit or logic gate. A logic circuit has two or more inputs but only one output. Th

Vector, two forces at right angle with each other have a resultant of 58kN,...

two forces at right angle with each other have a resultant of 58kN, If one of the forces is 40kN find the magnitude of the other forces

Explain about the laser cutting and welding, Explain about the laser cuttin...

Explain about the laser cutting and welding. Laser cutting and Welding: Laser cutting is a technology which uses a laser to cut materials, and is generally used for industri

How to make a sun-dial, Making a sun-dial To withstand all weather, a s...

Making a sun-dial To withstand all weather, a sun-dial should be form of metal or painted wood. A cardboard model can be formed for easy experiments.  The gnomon which casts

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