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A nonzero net force acts on a particle and does work. Which one ofthe following statements is true?
The kinetic energy of the particle changes, but the velocity of theparticle does not change.The kinetic energy, speed, and velocity of the particlechange.The kinetic energy of the particle changes, but the speed of theparticle does not change.The kinetic energy of the particle does not change, but the speedof the particle does change.The kinetic energy and the speed of the particle change, but thevelocity of the particle does not change
A single loop of wire of radius 3 cm carries a current of 2.9 A. What is the magnitude of B on the axis of the loop at the following the center of the loop
The current in a 100 watt lightbulb is 0.770A . The filament inside the bulb is 0.300mm in diameter. What is the electron current in the filament
three identical isolated capacitors each with capacitance c are connected in parallel with a 11.7 v potential
two electric charges, eagh of+6.00μ C are placed at thecorners of the base of the square of the side s=8.50m. calculate the magnitude of the force on each of the charges
An 8m, 290 N uniform ladders rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.75, and the ladder makes a 50° angle with the ground. How far up the ladder can a 720 N person climb before the lad..
A converging lens has a focal length of f = 29 cm. If an object is placed 40 cm from the lens, where will the image be formed.
A small ball with mass m is attached to a string, which goes over a pulley and makes a small angle swing. find the string tension as a function of the angle
You illuminate a slit of width 0.0527 mm with light of wavelength 715 nm and observe the resulting diffraction pattern on a screen that is situated 2.39 m from the slit
A water hose 2.75 cm in diameter is used by a gardener to fill a 28.0-liter bucket. (One liter = 1,000 cm3.) Over what horizontal distance can the water be projected
a stone is dropped into a deep well and is heard to hit the water 3.41 s after being dropped. determine the depth of
A hydrogen atom at rest makes a transition from the n=8 state to n=3. Find the wavelength of the emitted photon
A gas expands while 502 J of energy is added to it as heat. The expanding gas does 422 J of work on its surroundings.
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