How great the force is required

Assignment Help Physics
Reference no: EM1318906

Q1. A sack of flour of mass 7.00 rm kg is lifted vertically at a constant speed of 2.00 m/s through a height of 12.0 m.

How great the force is required?

Q2. A person carries a long pole of mass 10kg and length 3.40 m at the angle of 60 degrees. Find the magnitude of the torque on the pole by reason of gravity.

Reference no: EM1318906

Questions Cloud

Determining rejection point : What is the rejection point at α = .01 and indicate if you would accept or reject H o ?
For how long did the mouse enjoy the free fall : A train is travelling up a 5.0 degree incline at a speed of 2.25m/s when the last car breaks free and begins to coast without friction. a) How long does it take for last car to come to rest momentarily? b) How far did the last car travel before mo..
Find the lcm : Find the LCM.
Three branches of government : Examine the three (3) branches of government and discuss which can effectuate the most significant impact on regulating consumer transactions via social media outlets. Support your decision.
How great the force is required : A person carries a long pole of mass 10kg and length 3.40 m at the angle of 60 degrees. Find the magnitude of the torque on the pole by reason of gravity.
Hypothesis testing for difference between two proportions : We assume that we have selected two independent random samples from populations having proportions p 1  and p 2  and that p-hat 1  = 800/1000 and p-hat 2  = 950/1000
Find the lcm of the given denominators : Find the LCM of the given denominators
What is the displacement of car from the point of origin : A radio controlled car increases its kinetic energy from 4J to 12J over the distance of 2 m. What was the average net force on the car during this interval.
Advantages and disadvantages of survey methods : An explanation of the advantages and the disadvantages of survey methods. A description of the situational characteristics, the task characteristics and the respondent characteristics that are factors that should be considered when selecting the s..

Reviews

Write a Review

Physics Questions & Answers

  What is the frequency of the tuning fork being used

The length of an air column that produces a strong resonance in a cylinder is 0.18m, what is the frequency of the tuning fork being used .

  What pressure does she exert on the floor

A 50-kilogram woman balances on one heel of a pair of high heel shoes. If the heel is circular with radius of .5 cm, what pressure does she exert on the floor.

  Secondary line voltage

Three single-phase step-up transformers rated at 10MVA, 4.6kV/13.8kV are connected in Wye-Delta configuration. The three transformers are used to feed a 20MVA load at 0.9 p.f. With an efficiency of 96%. Find the secondary line voltage.

  Current & magnetic induction in the electrical circuits

Current & magnetic induction in the electrical circuits.

  What is the maximum speed of the photoelectrons

A clean copper surface is exposed to light of wavelength 275 nm. What is the maximum speed of the photoelectrons emitted from this surface? Use the table below copper=4.7eV.

  Find out the magnetic induction at a point

Find out the magnetic induction at a point

  How far does the ball travel before stopping

A sealed tank containing seawater to a height of 11.1 also contains air above the water at a gauge pressure of 2.95. Water flows out from the bottom through a small hole.

  Find the amplitude of motion

At a factory, a noon whistle is sounding with a frequency of 491 Hz. As a car travelling at 78 km/h approaches the factory, the driver hears the whistle at frequency fi. After driving past the factory, the driver hears frequency ff. What is the chang..

  Assume the charge on black hole

Assume the charge on black hole is 5740 C. At what distance from it is the electric potential equal to 1100 V.

  What sort of interference does the person sense

Each speaker produces a tone with a frequency of 200 Hz on a day when the speed of sound is 330 m/s. The person is 1.65 m from one speaker and 4.95 m from the other. What sort of interference does the person sense.

  Consider an infinite wire with radius carriesa current i

Consider a large parallel plate capacitor with circular plates of radius R. suppose that the electric field between the plates is increasing.

  Resistance and potential difference in an electrical circuit

Resistance and potential difference in an electrical circuit.

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