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A hardworking ant must supply 0.0500 N to pull a small piece of fruit at constant velocity over a distance of 8.00 cm up a small hill to the entrance of the colony. If the coefficient of kinetic friction between the piece of fruit and the 15.8° sloped hill is 0.500, calculate the work done by the ant by pulling the piece of fruit up the hill.
Use the work-energy theorem to calculate the mass of the piece of fruit in grams. (The acceleration due to gravity is 9.81 m/s2.)
The radar system at an airport broadcasts 11 microwaves with 150 of power. An approaching airplane with a 31 cross section is 24 away. suppose that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly..
The rms voltage across a 0.012uF capacitor is 1.4V at a frequency of 58hz. What is the maximum current through the capacitor
a pair of parallel plates is charged by a 12-v battery. if the electric field between the plates is 1200 n/c, how far apart are the plates
A series circuit with R=20ohms, C=330 MuF and L=30 mh, is connected to an AC sourceof amplitude 160v and frequencey of 60 Hz, Whats the power dissipated by the circuit
An electron initially at rest moves from one plate of a capacitor to another, through a potential di?erence of 2476 V, Find the speed with which the electron strikes the positive plate
Calculate the power spectrum of square pulse with amplitude, A and length, τ0. plot the power spectrum, shower several zero-crossings
A man pushes a 50N box across a level floor at a constant speed of 2.0 m/s for 10 s. Find the average power output by the man
A 4.5- kg block oscillates with an amplitude of 0.070 m on a light spring of constant k = 29.0 N/m. What is the maximum value of the block's velocity
Light is incident on a thin prism for which n= 1.5. Find the angle of deviation for the emerging beam
When a hammer strikes a nail, it is compressed along its length. Suppose that a steel nail 10.00 cm long and 3.00 mm in diameter is compressed an average of 65.0 µm by a 0.415 kg hammer during a 1.20 ms collision
A tank circuit in a radio transmitter is a series RCL circuit connected to an antenna. compute maximum inductance of the tank circuit
There is a current of 0.83 A through a lightbulb in a 120 V circuit. What is the resistance of this lightbulb
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