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an electron is accelerated during 2100 v from rest and then enters a uniform 160 t magnetic field1 what is the minimum
a 28 cm tall object is 28 cm to the left of a lens with focal length of 15 cm a second lens with a focal length of 18
a dentist wants a small mirror that when 200 cm from a tooth will produce an upright image that is 5 times larger what
an optical engineer needs to ensure that the bright fringes from a double-slit are 157 mm apart on a detector that is
1 a man of 500 kg mass is in equilibrium among two parallel plates the man is charged up to 130 mc of charge the
a 050-f and a 14-f capacitor c1 and c2 respectively are connected in series to a 16-vbattery1 calculate the charge on
a 35kg block moving at 20 ms toward the west on a frictionless surface has an elastic head-on collision with a second
two spherical point charges each carrying a charge of 40 mc is attached to the two ends of a spring of length 20 cm if
how much energy is required to place four positive charges each of magnitude 50 mc at the vertices of a square of side
two capacitors connected in parallel produce an equivalent capacitance of 450f however when connected in series the
a 1210 kg car is driving on 60 kmh on an inclined plane the car is located on the top of the plane the plane is 655 m
a 290kg crate is initially moving with a velocity that has magnitude 408ms in a direction 370 west of northhow much
a driver is traveling at 72 kmhr when she sees a red light in the distance she keeps traveling at this speed for two
a soccer ball is at rest on the ground 32 m away from a fence a boy kicks the ball towards the fence w a velocity of 20
a bullet is fired horizontally from a gun at the exact instant the trigger is pulled a ball is released from the exact
when a potential dissimilarity of 12 v is applied to a wire 83 m long and 030 mm in diameter the result is an electric
a capacitor is fully charged using a battery with vemf 1537 v the battery is disconnected and a resistor with r 6979
what is the capacitance of two square parallel plates 67cm on a side that are separated with 18mm of paraffin the
1 mev neutron strikes 12c nucleus initially at rest if the neutron is elastic scattered during an angle of 90o1 what is
an alpha particle with a kinetic energy of 130mev makes a head-on collision with a gold nucleus at restwhat is the
a 45kg box slides down a 41-m -high frictionless hill starting from rest across a 17-m -wide horizontal surface then
which of the following is true about capacitance1 the capacitance depends on the battery voltage2 the capacitance
which of the subsequent is true about the direction of current1 the direction of the current is from low voltage to
which of the subsequent is true about electric fields1 electric fields are scalars and do not have direction2 electric
a simple pendulum of length 08 m swings such that the pendulum reaches the maximum speed in the positive direction at a