Elucidate what force must be exerted along the pole

Assignment Help Physics
Reference no: EM13115575

Q.  A long pole is used to lift a window. If a vertical lift of 85 N is needed to raise the window, what force must be exerted along the pole? Assume the pole makes an angle of 49° with the vertical wall.

Q. A 11 g bullet is fired into a 12 kg wood block that is at rest on a wood table. The block, with the bullet embedded, slides 5.0 {rm cm} across the table. The coefficient of kinetic friction for wood sliding on wood is 0.20.

Reference no: EM13115575

Questions Cloud

Describe forecasted the demand and the cost to develop : The Tuff Wheels was getting ready to start its development project for a new product to be added to their small motorized vehicle line for children. Describe forecasted the demand and the cost to develop and produce
What change in volume is brought about by adding ethanol : What proportions of ethanol and water should be mixed in order to produce 100 cm3 of a mixture containing 50 percent by mass of ethanol.
Why is coral reefs are decreasing in size globally : why is Coral reefs are decreasing in size globally?
Earnings per share of johnson alarm systems : Johnson alarm systems had $800,000 of retained earnings on December 31, 2004. The company paid dividends of $60,000 in 2004 and had retained earnings of $640,000 on December 31, 2003.
Elucidate what force must be exerted along the pole : A long pole is used to lift a window. If a vertical lift of 85 N is needed to raise the window, elucidate what force must be exerted along the pole? Assume the pole makes an angle of 49° with the vertical wall.
Internet research of sole proprietorships : Conduct literature and internet research of sole proprietorships, partnerships, and corporations. Discuss the three business forms in terms of how they are formed, managed, and how they operate as business entities.
Illustrate what is the magnitude of the force exerted : Assuming that the acceleration is uniform when the racquet is applied over a distance of 0.52 m, illustrate what is the magnitude of the force exerted on the ball by the racquet?
Perform a chi square test : Among 160 progeny in the F2 generation of a dihybrid cross, a geneticist observes four distinct phenotypes in the ratio 91:27:37:11. She believes this result may be consistent with a ratio of 9:3:3:1. Perform a chi square test to determine if her ..
Information about rates of return : Please create a decision tree that shows the logical sequence of the decision problem with recommendation of whether ByComputers should initially invest in bonds or stocks?

Reviews

Write a Review

Physics Questions & Answers

  By what percentage should the tension in string be changed

select the quantity that has changed(velocity or speed) for a car that travels north at 88 km/h and then turns east while continuing to move at 88 km/h. define your answer.

  Find out the magnitude of the tension in the wire

A 1070-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A 1960-N crate hangs from the far end of the beam.

  How much work is done by the gas in expansion

A block is given an initial velocity of 5 m/s up a frictionless 20 ° incline. How far up the incline does the block slide before coming (momentarily) to rest.

  How to calculate the period of motion

A spring stretches 4.1 cm when a 11 g mass is hung from it. If a total mass of 25 g attached to this spring oscillates in simple harmonic motion,how to calculate the period of motion.

  Estimate the minimum value of v0 required

In an X-ray tube electrons strike a tungsten target (W or "wolfram") after being accelerated through a potential difference V0. Estimate the minimum value of V0 required to observe the Kalpha peak.

  Calculate its speed at launch

A stone is dropped from the top of a cliff at t=0. The splash it makes when striking the water below is heard 6 seconds after it is dropped (i.e. at t=6 sec). How high is the cliff? (i.e. find 'h') suppose that the speed of sound in air is 340m/s ..

  What is minimum coefficient of static friction of tires

A street lamp weighs 152N. It is supported equally by two wires that form the angle of 120° with each other. What is the tension of each of these wires.

  Imagine that an acceleration of the bullet is constant

A bullet of mass 0.0022 kg initially moving at 496 m/s embeds itself in a large fixed piece of wood and travels 0.64 m before coming to rest. Imagine that an acceleration of the bullet is constant.

  Define in terms of torque

Starting in the spring, fruit begins to grow on the outer end of a branch on a pear tree. Define how the center of gravity of the pear growing branch shifts all through the course of the summer.

  What is the coefficient of static friction

What is the coefficient of static friction

  Find out the weight and the angle needed

The leg and cast weigh 220 N. find out the weight and the angle needed so that no force is exerted on the hip joint by the leg plus the cast.

  The magnitude of the average velocity of the electron

An electron moves in the positive x-direction a distance of 2.38 m in 2.95 x10-8 s, bounces off a moving proton, and then moves in the opposite direction a distance of 1.63m in 3.53x 10-8 s.

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