What is the mechanical advantage of the lever

Assignment Help Physics
Reference no: EM13271340

A lever uses an effort arm of 4.75 m and has a resistance arm of 21.5 cm. What is the mechanical advantage of the lever?

Previous Q& A

How many teeth does it have

A machine is driven by a series of gears. The first gear has 12 teeth and rotates 25.0 times per minute. How many teeth does it have

Find value of equity post repurchase

A company has been 100% equity owned but recently made changes to its capital structure.

Identify how to change system settings

Identify at least 3 types of computers, how they process information, and the purpose and function of key hardware components.

Find confidence interval for mean number of vacation days

The average number of vacation days per year offered by different US companies is skewed to the right. A random sample of 60 companies showed the mean number of vacation days was 22, and the standard deviation was 9 days.

Define stronger by calculating the degree of ionic character

Calcite (CaCO3) has two types of bond. What are the two types? Demonstrate which is the stronger by calculating the degree of ionic character of each bond

Why are municipal bonds exempt from federal tax

Why are municipal bonds exempt from federal tax? What happends if they were not?

Explain the equilibrium temperature of the water/gas system

100 moles of water at 70 degrees celsius is brought into thermal contact with 100 moles of a monatomic gas at 20 degrees celsius, and the two substances exchange heat until they reach the same temperature. Assuming that no heat is lost to the surr..

Calculate the increase in temperature of the water

Water at the top of Niagara Falls has a temperature of 14.0°C. If it falls a distance of 60.0 m and all of its potential energy goes into heating the water, calculate the increase in temperature of the water at the bottom of the falls.

Statement of revenues and expenses - deferral method

Using the deferral method, prepare a statement of revenues and expenses and a statement of changes in net assets for Wise Owls for 20X1.

What is the average kinetic energy of each type of molecule

A cylinder contains a mixture of helium and argon gas in equilibrium at a temperature of 152°C. (a) What is the average kinetic energy of each type of molecule. J/molecule (b) What is the rms speed of each type of molecule.

Similar Q& A

What is the magnitude of charge on each sphere

Two small metallic spheres, each of mass 0.20g, are suspended as pendulums by light strings from a common point.

What is the highest point he reaches above the water

A cannonball shot with the initial velocity of 129 m/s at an angle of 36° follows a parabolic path and hits a balloon at the top of its trajectory. Neglect air resistance, how fast is the cannonball going as it hits the balloon.

How much force is exerted on the roof

A hurricane wind blows across a 7.50m × 16.4m flat roof at a speed of 180km/hr, How much force is exerted on the roof

Define the coefficient of friction

A 240g ball and a 130g ball are connected by a 32 cm-long massless, rigid rod. The structure rotates about its center of mass at 150rpm.

What market researcher begins by examining

Its market researcher begins by examining the rental markets in the Southeast, the history of apartment buildings, local economies, competitive rents, and ownership all information that was on hand and did not require any new research to locate. T..

Find the electric potential energy of this system

A point charge q(1)= 85.9 micro C is held fixed at the origin. A second point charge, with mass m = 6.00×10?2kg and charge q(2)= -2.36 micro C , is placed at the location (0.323 m, 0).

Identify the three primary absorption mechanisms

In order to calibrate the strength of an Fe-55 source, many measurements of the radiation field are made with the same detector located at different distances.

Compute the momentum of each photon

An electron and a positron, each moving at3.0×105m/s, collide head on, disappear, Determine the momentum of each photon

Find the maximum wavelength absorbed by gaas

The band gap of the semiconductor gallium arsenide (GaAs) is 1.43 eV , and the bandgap for the semicondcutor aluminum gallium arsenide (AlGaAs) is 2.06 eV. find the maximum wavelength absorbed by GaAs

Calculate the torque the player applies to one end of it

The coefficient of static friction between the wall and the rod is μs = 0.575. Determine the minimum distance x from point A at which an additional weight w (the same as the weight of the rod) can be hung without causing the rod to slip at point A.

Compute the magnitude of the force applied

A 50.0kg pole vaulter running at 10.0m/s vaults over the bar. Assume that the vaulter's horizontal component of velocity over the bar is 1.0 m/s and disregarding air resistance, how high was the jump.

Determine the shear modulus of the wood

A plank 2.00 cm thick and 12.9 cm wide is firmly attached to the railing of a ship by clamps so that the rest of the board extends 2.00 m horizontally over the sea below. find the shear modulus of the wood