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a kid is pulling a 15 kilogram box up a 35-m high 24o ramp with a force of 77 newton parallel to the ramp find the box
a ball swings in a vertical circle at the end of a 15 m long string when the ball is at the bottom of circle the
a 600-acircmicroc charge is moving with a speed of 880 x 104 meter per second parallel to a very long straight wire the
a charged sphere of radius 10 centimeter has a total charge of 5 ca find the magnitude of the electric field at the
a satellite is in a circular orbit very close to the surface of a spherical planet the period of the orbit is 254 hours
a 240 kilograms object and a 540 kilogram object are separated by 440 metera determine the magnitude of the net
a 954 kilogram satellite orbits the earth at a constant altitude of 99 kilometera determine how much energy must be
determine what is the magnitude of electrical field 01 centimeter from the centre of a sphere of radius 40 centimeter
two steel guitar strings have the similar length string a has a diameter of 051 millimeter and is under 430 newton of
two rigid rods are oriented parallel to each other and to the ground the rods carry the equal current in the similar
objects a and b are both positively charged both have a mass of 150 gram but a has twice the charge of b when a and b
an astronomical telescope uses an objective power of 1280 d if the length of the telescope is 80 centimeter determine
a near sighted woman has a far point placed 0750 meter from one eyea if a corrective lens is worn 2 centimeter from the
an object is located in front of a biconcave lens whose focal length is -125 centimeter estimate where is the image
the pulmonary artery which connects the heart to the lungs has an inner radius of 29 millimeter and is 86 centimeter
a speaker fixed to a moving platform moves toward a wall emitting a steady sound with a frequency of 240 hertz a person
a virtual image of magnification 0375 is produced when an object is located in front of a spherical mirrora determine
when an object is placed 60 centimeter from a certain converging lens it forms a real image when the object is moved to
an astronomical telescope uses an eyepiece of power 80000 d if the length of the tube is 20125 meter find what is the
an archaeologist uses a converging lens to examine the details of a small article if the focal length of the lens is
a high-speed lifting mechanism supports a 870 kilogram object with a steel cable that is 340 meter long and 400 cm2 in
what happened when fdr declared the west coast a military
a pair of in-phase stereo speakers is placed side by side 080 meter apart you stand directly in front of one of the
an object is located 156 centimeter to the left of a thin diverging lens that has focal length 123 centimeter estimate
an object is located 245 centimeter to the left of a thin converging lens that has focal length 121 centimeter find the