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A 105-kg box on the right and a 40-kg box on the left are tied together by a horizontal cable. The 105-kg box is acted upon by an external force of 550 N to the right. The frictional force exerted by the floor on the 105-kg box is 35 N and the frictional force exerted by the floor on the 40-kg box is 20 N. In this problem, orient your axes such that the right direction is positive and the left direction is negative. What is the net force on the 105-kg block?
A 0.280 kg croquet ball makes an elastic head-on collisionwith a second ball initially at rest. The second ball moves offwith half the original speed of the first ball. What is themass of the second ball
What will be the current, in micoramps, in the circuit at this time? What is the time constant, in seconds, for charging the circuit? What is the time constant, in seconds, for discharging the circuit?
A square wire 2.0 cm on each side is oriented so that 5.00 mT magnetic field makes a 30 degree angle with the normal to the plane of the square. how many loops does the wire make
From the library (research companies that you believe have exceptional quality standards (i.e., have achieved six Sigma certification)., select one organization that has achieved Six Sigma certification. Then, discuss the benefits and results that..
A light string is wrapped around a 0.160-kg hollow 0.080-m-radius hoop. The hoop is released from rest and the fee end of the string is held in place. What is tension in the string while the hoop falls
In the process of changing a flat tire, a motorist uses a hydraulic jack. She begins by applying a force of 59 N to the input piston, which has a radius r1. As a result, the output plunger, which has a radius r2, applies a force to the car. The ra..
Find the current in the resistor. Find the magnetic force on the bar. Find the power dissipation in the resistor.
a proton is placed 4.65 mm from an infinitely long line of charge. the proton is observed to experience an acceleration
Al and Bert stand in the middle of a large frozen lake (frictionless surface). Al pushes on Bert with a force of 20 N for 1.6 s. What is the speed that Bert reaches as he is pushed away from Al
A small fly of mass 0.27g is caught in a spider's web. The web vibrates predominately with a frequency of 3.2Hz. At what frequency would you expect the web to vibrate
A resistance of ohms ,an inductive reactance of 8 ohms and capacitive reactance of 15 ohms are connected in parallel across 120V, Find total current , power factor
It's possible for a determined group of people to pull an aircraft. Drag is negligible at low speeds, and the only force impeding motion is the rolling friction of the rubber tires on the concrete runway. Estimate the force with which each officer ..
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