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Two boxes sit side by side on a smooth horizontalsurface. The lighter box has a mass of 5.2 kg, the heavier box hasa mass of 7.4 kg.
a) Find the contact force between these boxes when ahorizontal force of 5.0 N is applied to the light box.
b) Find the contact force between these two boxes when thesame 5.0 N force is applied to the heavy box.
A purple beam is hinged to a wall to hold up a blue sign. The beam has a mass of mb = 6 kg and the sign has a mass of ms = 16.3 kg. What is the tension in the wire
LC oscillators have been used in circuits connected to loudspeakers to create some of the sounds of electronic music. which is in the audible range of frequencies
An 11.90 V battery is connected to a series circuit containing a 6ohm resistor and a 2.30 H inductor. The circuit is established and current is 1.9833 A. How long will it take the current to reach 50 percent of its final value? Answer in units of s
The manometer tube has an internal diameter of 0.5 cm and it is initially filled with water. Exactly 2 cm3 of an unknown liquid is then poured into one leg of the manometer, and a displacement of 5 cm between the surfaces is measured as shown. Fin..
An air-track glider is attached to a spring. The glider is pulled to the right and released from rest at =0 . It then oscillates with a period of 1.50 and a maximum speed of 58.0 . A What is the amplitude of the oscillation? B What is the glider's po..
Light strikes a cube with index of refraction (2) at an angle of 30 deg. At what angle will the light exit the cube
When a potential difference of 166 V is applied to the plates of an air-filled parallel-plate capacitor, What is the spacing between the plates
An infinitely long line of charge has a linear charge density of 5.00×10^?12 C/m. A proton is at distance 12.0 cm from the line and is moving directly toward the line with speed 1500 m/s. How close does the proton get to the line of charge?
A heat engine operates in a Carnot cycle between 83.0°C and 353°C. It absorbs 21004 J of energy per cycle from the hot reservoir. What is the mechanical power output of this engine
A student (m = 56 kg) falls freely from rest and strikes the ground. All through the impact with the ground, he comes to rest in a time of 0.04 s.
A nearsighted person wears glasses to correct the problem. The lenses in the glasses have a focal length of -520 cm, How far from the eyes is the person's far point located
Suppose the magnitude of the electric field in an electromagnetic wave is doubled, By what factor does the maximum intensity of the wave change
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