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A body of uniform (in the vertical direction) cross-sectional areaAand mass densityrhofloatsin a liquid of densityrho0(whererho < rho0), and at equilibrium displaces a volumeV. Making useofArchimedes’ principle(that the buoyancy force acting on a partially submerged body isequal to the weight of the displaced liquid), show that the period of small amplitude verticaloscillations about the equilibrium position is

Dave Swartz asked Dec 27, 2024

by Dave Swartz

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Which factors affect the speed of sound? O type and volume of medium O temperature and type of medium Ovolume and temperature of medium

Milhous asked Dec 27, 2024

by Milhous

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5 votes

181k views

A block of mass 2.2 kg sits on a level, very long board of mass 33 kg held up by 2 scales on each end. If the board is 44.4 m in length and the block is resting 5.64 m from the left, what does the scale

VividD asked Dec 27, 2024

by VividD

8.9k points

1 answer

3 votes

133k views

When a glass tube with a diameter of 1 mm is lowered into mercury, how much will its level decrease

Graham Lea asked Dec 27, 2024

by Graham Lea

8.3k points

1 answer

3 votes

98.3k views

If the SID = 40" the SOD = 38" and the OID = 2" what is the magnification factor?

EBGreen asked Dec 27, 2024

by EBGreen

7.0k points

1 answer

3 votes

199k views

a plane flies between two cities that are 1120 miles apart. when going with the wind, the plane makes the journey in7/4 hour(s). when going against the wind, it takes 2 hour(s).

Lengxuehx asked Dec 27, 2024

by Lengxuehx

8.3k points

1 answer

5 votes

82.9k views

How many volts are needed for a current of 5 amps and a 50-ohm resistor?

AndreyF asked Dec 27, 2024

by AndreyF

7.6k points

1 answer

3 votes

36.3k views

Which of the following is a true statement concerning speed, velocity, and acceleration? A) If the displacement of an object is zero, the speed must be zero B) An increase in speed must mean the object

Hissaan asked Dec 27, 2024

by Hissaan

8.3k points

1 answer

5 votes

27.4k views

If someone tells a friend that it is 75 degrees outside, that number represents the

JDL Wahaha asked Dec 27, 2024

by JDL Wahaha

8.2k points

1 answer

3 votes

206k views

A ball is thrown downward with a large starting velocity. Will this ball accelerate more rapidly once it leaves the hand than the one that is dropped with no initial velocity?

Jake H asked Dec 27, 2024

by Jake H

8.9k points

1 answer

2 votes

135k views

If the mass of a car is 500kg and its resultant force is 1000N what is it acceleration?

LoveForEver asked Dec 27, 2024

by LoveForEver

7.8k points

2 answers

3 votes

58.8k views

Two velocities, 10 m/s and 15 m/s, are inclined at an angle of 60 degrees to each other. Obtain the resultant velocity by graphical and analytical methods. a) 12 m/s b) 14 m/s c) 16 m/s d) 18 m/s

Taffarel asked Dec 27, 2024

by Taffarel

7.1k points

1 answer

4 votes

76.0k views

A fully loaded truck can take more than ___________ to make a stop at 55mph.

Nanki asked Dec 27, 2024

by Nanki

7.9k points

1 answer

0 votes

31.8k views

calculate the distance a weight lifter raises an 800n weight if she transfers 1600j of energy to the weights (work done on the weights is 1600j)

Ksm asked Dec 27, 2024

by Ksm

7.8k points

1 answer

3 votes

83.8k views

Assertion :If some ferromagnetic substance is filled inside a soleniod, its coeffecient of self-induction L will increase. Reason: By increasing the current in a coil its coefficient of self induction

SPlatten asked Dec 27, 2024

by SPlatten

8.6k points

1 answer

2 votes

129k views

Find the average force the cylinder exerts on the nail while pushing it into the block. Ignore the effects of the air. Express your answer with the appropriate units. A nail is partially inserted into

Robooneus asked Dec 27, 2024

by Robooneus

8.9k points

2 answers

4 votes

49.0k views

True or False - Voltages of 1 million volts or more are classified as ultra-high voltages or experimental voltages.

Samah asked Dec 27, 2024

by Samah

8.4k points

1 answer

3 votes

106k views

What is the moment of intertia if the base is 3.5 in and the height is 2.5 in?

Milosmns asked Dec 27, 2024

by Milosmns

7.8k points

1 answer

1 vote

192k views

Mechanics sometimes use a piece of pipe to lengthen the handle of a wrench when trying to remove a very tight bolt. How does this make it easier for the mechanic to remove the bolt

Kenneth Reitz asked Dec 27, 2024

by Kenneth Reitz

8.2k points

2 answers

0 votes

154k views

Two students are given two different size blocks of the same substance and are instructed to determine the properties of the substance. which statement describes a property that will be the same for both

Moemars asked Dec 27, 2024

by Moemars

7.5k points

2 answers

0 votes

178k views

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