What is the net work done with the box

Reference no: EM13669758

A boy pulls a 20-kg box by a 50N force at 37 degrees above a horizontal surface. The coefficient of kinetic friction among the box and the horizontal surface is 0.15, and the box is pulled over a distance of 25m. a) What is the work done by the boy? b) What is the work done with the frictional force? c) What is the net work done with the box?

Reference no: EM13669758

Questions Cloud

Determine how much work does it take to move a charge : Determine how much work does it take to move a charge of 16C from point C to point D where the voltage at point D is 11 V greater than the voltage at point C

Decide the length of a copper wire that has a resistance : Decide the length of a copper wire that has a resistance of .172Ω and cross-sectional area of 1*10^-4 m^2. The resistivity of copper is 1.72 * 10^-8 Ω*m.

Find the magnitude of the magnetic field inside the torpid : A torpid having a square cross section, 7.00 cm on a side, and an inner radius of13.0 centimeter has 550 turns and carries a current of 0.650 Amp. Find the magnitude of the magnetic field inside the torpid at the outer radius

What is its final temperature and volume : One cylinder in the diesel engine of a truck has an initial volume of 700 cm3. Air is admitted to the cylinder at 35 deg C and a pressure of 1.0 atm. The piston rod then does350 J of work to rapidly compress the air.

What is the net work done with the box : A boy pulls a 20-kg box by a 50N force at 37 degrees above a horizontal surface. The coefficient of kinetic friction among the box and the horizontal surface is 0.15, and the box is pulled over a distance of 25m. a) What is the work done by the boy? ..

Obtain how many revolutions does the electron make : As it enters the uniform magnetic field within the solenoid, its speed is 790 m/s and its velocity vector makes an angle of 30 degree with the central axis of the solenoid. Find how many revolutions does the electron make along its helical path wi..

Beam of light with red and blue components of wavelengths : A beam of light with red and blue components of wavelengths 670nm a bd 425nm, respectively, strikes a slab of fused quartz at an angle of 30 degrees. On refraction, the dissimilar components are are separated by an angle of 1.31 X 10^-3 rad.

Find the tension in the right hand side wire : A 95 kilogram scaffold is 7 meter long. It is hanging with two wires, one from each end. Find the tension in the right hand side wire

What is the average velocity of this object : In this problem take right as positive and up as positive (regular coordinate system). A rocket ship has anx-acceleration of 40.0 m/s/s left. It has a y-acceleration of20.0 m/s/s up. The starting velocity of the rocket is v= +100.0i + 0.0j. (Here i =..

User Account

All Pages