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a bullet is moving at a speed of 410 ms when it embeds into a lump of moist clay the bullet penetrates for a distance
a box of wood has a vertical projection of 6 inches when located in water and 4 inches when located in alcohol if the
at some instant an alpha atom q2e has the coordinates 300000nm and is moving along the positive x axis with 500 kms
in a particular crash test an automobile of mass 1621 kilogram collides with a wall and bounces back off the wall the x
a hydrogen atom emits a photon of energy 34 ev if the atom is at rest before emitting the photon find what is the speed
a small sphere emissivity 9 radius r1 is located at the center of a spherical asbestos shell thickness 1cm outer
an archer shoots an arrow with initially only a horizontal velocity from his bow the height that the arrow leaves the
utilize the mass-radius and mass-luminosity relations for main sequence stars to express the nuclear timescale of major
a mine elevator is supported by a 22 cm diameter steel cable ultimate strength 600 mnm2 the mass of the elevator and
a pendulum is made of a rod of mass 17 kilogram and length 38 meter whose moment of inertia about its center of mass is
find the electric potential at the position indicated with the dot where three 20 nc charges are located at three
a plate carries a charge of -4 c while a rod carries a charge of 150 c how many electrons should be transferred from
a 10-m-by-14-m house is built on a 12 centimeter thick slab of concrete find the rate of heat loss through the slab if
four equal positive point charges each of charge 68 c are at the corners of a square of side 92 cm what charge should
a diffraction grating with 504 linesmm is illuminated with light of wavelength 305 nanometer determine the angular
you heat a 045 kilogram sample of metal to a temperature of 80o then quickly transfer it into a beaker that contains
which of the following statements are correct correct the wrong ones1 the volume of an ideal gas mixture is equal to
light of wavelength 589 nanometer is used to view an object under a microscope if the aperture of the objective has a
a 1200-n crate rests on the floor a how much work is needed to move it at constant speed 48 m along the floor against a
an olympic pool has dimensions 500 m times 250 m times 268 m length times width times depth the density of the pool
a cannonball is fired at 100ms at 30o from the top of a 600 meter cliff find its range when the projectile
a car accelerates from 20 to 60 miles per hour in 6 seconds what is the average speed of the car during this six-second
imagine that in another universe the speed of the light is only 100 ms a man travelling along an interstate highway at
an airplane passenger carries a 215-n suitcase up the stairs a displacement of 420 m vertically and 460 m horizontally1
the armature of a shunt motor has a mass of 250 kilogram and a diameter of 30 centimeter suppose the mass of the