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What are the apparatus required for the magnometer experiment and how to do it.TO finnd the magnetic materials.
An electron is projected horizontally with a speed of 4 x 106 m/s at a 20-cm distant vertical screen. What is the magnitude of the vertical force on the electron needed to make the electron strike the screen 5 cm below its initial projection level?
A rectangular air mattress is 2.0 meter long, 0.50 meter wide and 0.08 meter thick. If it has a mass of 2.0 kilogram, obtain what additional mass can it supports in water
What is the acceleration (magnitude only) of the motorcycle? m/s2 (c) Does the motorcycle travel farther than the runner during the 2.0 s? If so, how much farther? (If not, enter zero.)
an object and lens positioned to form a well-focused, inverted image on a viewing screen. What happens to the image on the screen
The convex lens of a copy machine has a focal length of 25 cm. A letter to be copied is placed 40.0 cm from the lens.
A coil with 160 turns, a radius of 5.0 cm, and a resistance of 12Ω. Calculate the magnitude and direction of the induced current in the 160-turn coil.
suppose a star the size of our sun but of mass 8.0 times as great were rotating at a speed of 1.0 revolution every 11
A proton moving with a velocity 3×105 ms-1 enters a magnetic field of 0.3 T, at an angle of 30? with the field. What will the radius of curvature of its path be (e/m for proton ˜ 108 C kg-1 )?
The tumor receives an absorbed dose of 13 Gy in a time of 960 s. Each disintegration of the radioactive source produces a particle that enters the tumor and delivers an energy of 0.44 MeV. What is the activityN/t(in Bq) of the radioactive source?
A converging lens of focal length 19.2 cm is separated by 55.3 cm from a converging lens of focal length 4.72 cm. If the height of the object is 3.10 cm, what is the height of the final image
A small block of mass 20.0 grams is moving to the right on a horizontal frictionless surface with a speed of 0.68 m/s. What is the speed of the 40.0 gram block after the collision
A 0.590-kg slab of granite isheated so that its temperature increases by 7.10° C. what is the specific heat of granite
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