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The light bulb in the circuit has a resistance of 11 ohms and consumes 6.7 W of power as the 1.25 m long rod moves to the left with a constant speed of 3.1 m/s. What speed must the rod have if the current in the circuit is to be 0.65 A?
As you may have learned when studying the properties of thermal energy, building contractors often install double-glazed windows to prevent thermal energy (\"heat\") from entering/exiting the building, find the shift in path ?x as the light enters ..
A positive charge of 0.800? C is located in a uniform field of 1.20×105 N/C. A negative charge of -0.400? C is brought near enough to the positive charge that the attractive force between the charges just equals the force on the positive charge du..
If the patch is 78 meters wide and the average force of air resistance on the skier is 179 newtons, explain how fast is she going after crossing the patch?
Find the capacitance of the cable for a 100 m length of coaxial cable with radii 0.831618mm and 1.98341 mm. The permittivity of a vacuum is 8.8542 × 10^?12 C^2/N · m^2
Two conductors are made of the same material and have the same length. Conductor A is a solid wire of diameter 1.2 mm, What is the resistance ratio RA/RB , measured between their ends
A rigid tank contains 1.20 moles of an ideal gas. Determine the number of moles of gas that must be with Illustrate from the tank to lower the pressure of the gas from 24.2 atm to 5.30 atm. suppose the volume of the tank and the temperature of the..
A 250-g ball collides with a wall. The ball's velocity and the force exerted on the ball by the wall. What is v_{{rm{f}}x}, ball's rebound velocity.
A particular guitar string is supposed to vibrate at 191- Hz, but it is measured to actually vibrate at 210- Hz. By what percent should the tension in string be changed to get the frequency to the correct value.
Two carts with masses of 4.5 kg and 3.9 kg move toward each other on a frictionless track with speeds of 5.6 m/s and 4.3 m/s, respectively. The carts stick together after colliding head-on.
then collides with a spring whose spring constant is 250 N/m. angle is 30 degrees. Illustrate what is the maximum compression of the spring?
A compressed-air cylinder is known to fail if the pressue exceeds 100 atm. A cylinder that was filled to 20 atm at 22°C is stored in a warehouse. Unfortunately, the warehouse catches fire and the temperature reaches 900°C. What is the pressure ins..
When the crate is moving, the frictional force between the floor and the crate has a magnitude of 122.0 N. If the crate starts from rest, explain how fast will it be moving after the man has pulled it a distance of 2.30 m?
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