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At the end of the shock wave roller coaster ride, the 6000kg train of cars (including passengers) is slowed from a speed of 20m/s to a speed of 5m/s over a distance of 20 metres. determine the braking force required to slow the train of cars by this ammount by using the following method; the laws of motion and d'alemberts principle.
Given a configuration of three charged particles such that q1= 5.30 nC at (1.50 m, 0.0 m), q2= 9.20 n C at (0.00 m, 2.00 m) and q3= -2.40 nC at the origin
What happens in the table as to the potential energies
The Earth has a static electric field almost everywhere on the surface of about 100 V/m, pointed downward, called the "Fair weather field". Calculate the total charge induced on the Earth's surface
What is the safe operating voltage for a 100 Ohm, 1/10W resistor, How much power is dissipated at half the maximum voltage
A ball is thrown toward a cliff of height (h) with a speed of30 m/s and an angle of 60 degrees above the horizontal. What is the ball's impact speed
the speed at which the ball left the quarterback's hand.
in a Tom's double-slit experiment using 549nm light, a thin piece of plexiglass of refractive index 1.53 covers one of the slits. what is the minimum thickness of the plexiglass
What is the efficiency of a cyclical heat engine in which 65.0 kJ of heat transfer occurs to the environment for every 95.0 kJ of heat transfer into the engine
At normal incidence, the intensity of sunlight at the Earth is 1400 W/m2. find the force on the Earth due to radiation pressure from the Sun
An aquarium contains a 5-cm layer of water n=1.333 floating on top of carbon tetrachloride. what is the angle of refraction into the air
The of is accompanied by a ray of measured wavelength 2.48×10?2. What is the difference in energy between these two levels
A stationary charged particle at the origin creates an electric flux of 487 N ? m2/C through any closed surface surrounding the charge. Find the electric field it creates in the empty space around it as a function of radial distance r away from the ..
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