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A uniform electric field of magnitude 4.10 × 105 N/C points in the positive x direction. Find the change in electric potential energy (EPEf ? EPEi) of a +4.6 µC charge as it moves from the origin to x = +6.2 m.
What are the rocket's horizontal range, greatest height, and total time of flight. The magnitude of the torque of this force on the door with respect to the hinge is most nearly .
According to the equipartition theorem , the average energy of any degree of freedom is 1/2 kT, Estimate the root mean square speed of a helium atom at 15 degrees celcius
The end milling cutter has two teeth and its diameter = 15.0mm. Find out the feed rate and time to complete the cut.
Compute the average intensity
A spring with spring constant 13 N/m hangs from the ceiling. A ball is attached to the spring and allowed to come to rest. It is then pulled down 8.5cm and free. The ball makes 26 oscillations in 18 s seconds.
The needle of a sewing machine moves up and down in the same hermonic motion its driving force comes from a rotating wheel that is powered by an electric motor. how do you imagine that theup-and-down needle comapres with the period of the rotating..
A uniform door weighs 50-N and is 1.0 m wide and 2.70m high. What is the magnitude of the torque because of the door's own weight about a horizontal axis perpendicular to the door and passing through a corner.
A drinking straw 20 cm long and 3 mm in diameter stands vertically in a cup of juice 8.0cm in diameter. A section of straw 6.5cm long extends above the juice. A child sucks on the straw, and the level of juice in the glass begins dropping at 0.23c..
Calculating magnetic flux, induced current & magnetic field.
A car starts from rest and moves along a straight line with an acceleration of a = (3s -1/3) m/s2, where s is in meters. Resolve the car's velocity and position when t = 10 s.
The specific heat capacity of the material use to make the block is C resolve the temperature rise that results from the collision in terms of C and the other given quantities.( suppose that no energy is transferred to the track or the surrounding..
When the skateboarder reaches the highest point, how far is this point horizontally from the end of the ramp.
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