Calculate coefficient of kinetic friction between box-floor

Assignment Help Physics
Reference no: EM13541387

An 70 box of oranges is being pushed across a horizontal floor. As it moves, it is slowing at a constant rate of 0.90 each second. The push force has a horizontal component of 20 and a vertical component of 25 downward. Calculate the coefficient of kinetic friction between the box and floor.

What light intensity emerges from the third filter

Unpolarized light of intensityI0is incident on three polarizing filters. The axis of the first is vertical, that of the second is29° from vertical, and that of the third is ho

Find the average net force exerted on the car and riders

In the amusement park ride known as Magic Mountain Superman, powerful magnets accelerate a car and its riders from rest to 38 m/s (around 90 mi/h) in a time of 7.5 s. The mass

Where would the net electric field be zero

Two particles having charges of 0.520 nC and 18.7 nC are separated by a distance of 1.10 m, Where would the net electric field be zero if one of the charges were negative

A string vibrates according to the equation

A string vibrates according to the equation y = 0.5 sin 0.37 x cos 64 t, where x and y are in centimetres and t is in seconds. What is the velocity (in centimetres/second) of

What is the maximum current delivered by the source

An AC source with deltaV=150 sin (3000t) is applied to a series RLC circuit , with R=200 omega, L=0.1 H, and C=3.3 microF. What are the impedance Z and the phase angle theta

Find the length of time the car could run

A car is designed to get its energy from a rotating flywheel (solid disk) with a radius of 1.00 m and a mass of 475 kg. find the length of time the car could run before the fl

What is magnitude of electric field-center of semicircle

In the figure, a thin glass rod forms a semicircle of radius r = 2.00 cm. Charge is uniformly distributed along the rod, by +q = 3.50 pC in the upper half and -q =-3.50 pC in

The typical operating voltage for anelectron microscope

The typical operating voltage for anelectron microscope is V =50kV. (a) What isthe smallest feature one could hope toresolve? (b) What isthe equivalent resolution if neutron