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how do paramagnetic materials differ from diamagnetic materialsa they are the sameb paramagnetic molecules have a
a 5 kg block sits on an inclined plane with angle 30o a force is applied up the incline what is the magnitude of the
climate change impacts are measured by global warming potential gwp which is measured in units of carbon dioxide co2
a current is flowing through a circuit and you open a switch why might a spark jump across the switch opening explain
a rail gun accelerates a projectile from rest by using the magnetic force on a current-carrying wire the wire has
initially at rest a small copper sphere with a mass of 4 10-6 kg and a charge of 9 10-4 c is accelerated through a
the earth is showered with particles from space known as muons they have a charge identical to that of an electron but
a proton is accelerated from rest by a potential difference of 335 v the proton enters a uniform magnetic field and
a proton enters the region between the two plates shown in the figure moving in the x-direction with a speed v 161 106
find the recoil speed of the rifle ms b if a 700-n man holds the rifle firmly against his shoulder find the recoil
a 200 kg floodlight in a park is supported at the end of a horizontal beam of negligible mass that is hinged to a pole
a 2kg box slides along a frictionless surface with a speed of 15ms and approaches a horizontal spring with a spring
assuming frictionless conditions a table has a hanging mass m1 over a pulley at the left side and another hanging mass
explain how to calculate the ratio of momentum and kinetic energy before and after a collision what would these ratios
a rocket away from all gravitational forces accelerates upward at an acceleration of 128ms2 on its main deck is a crate
describe the energy of a car driving up a hill a entirely kinetic b entirely potential c both kinetic and potential d
a ball falls from the top of a building through the air air friction is present to the ground below how does the
what is the minimum speed in kms with which a metoer strikes the top of the earths stratosphere about 14km above
a parallel-plate capacitor of capacitance c is connected to a battery of voltage v until it is fully charged the energy
two parallel square metal plates side length 13 cm are separated by a dielectric material with a dielectric constant 39
consider a pendulum suspended at some location on the earth the length of the pendulum can be taken to be much shorter
a stainless steel orthodontic wire is applied to a tooth as shown in the figure above the wire has an unstretched
a physics professor demonstrates the doppler effect by tying a 580hz sound generator to a 10m--long rope and whirling
a 480hz sound wave in 20 centigrade air propagates into the water of a swimming pool assume that the waves speed in the