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the acceleration of a race car for the first few seconds of the race can be approximated by the at a bt linear
what is the shape of graph of distance vs speed for constant
an ac generator has emf e emsinomegadt - pi4 where em 369 v and wd 313 rads the current produced in a connected
in the figure below the cube is 424 cm on each edge four straight segments of wire-ab bc cd and da-form a closed loop
an inductor is connected to the terminals of a battery that has an emf of 120 v and negligible internal resistance the
in the circuit shown in the figure below the capacitor has capacitance c 15muf and is initially charged to 100 v with
an l-c circuit containing an 735-mh inductor and a 105-nf capacitor oscillates with a maximum current of 0876 aa
a mass is oscillating with amplitude a at the end of a spring how far in terms of a is this mass from the equilibrium
an object is placed a distanced0 in front of a concave mirror with a radius of curvature r 17cm the image formed has a
a shopper standing 3 m from a convex security mirror sees his image with a magnification of 0305 a what is his image
the next two questions are worth 20 points in total for both questions consider the following a 25 kg object is pushed
a convex spherical mirror has a radius of curvature of magnitude 440 cma determine the position of the virtual image
the next two questions are worth 20 points in total for both questions consider the following a 5 kg and 8 kg block are
the next two questions are worth 20 points in total for both questions consider the following a 12 kg cart is connected
1 a converging lens has a focal length of 202 cma locate the object if a real image is located at a distance from the
the following data table gives the position of an object during freefall the time interval between adjacent points is
grating calculations for a red wavelength of 650 nm and a grating with 500 linesmm calculate all possible diffraction
questionstarting from rest at time t0 a car moves in a straight line with an acceleration plotted on an accleration vs
a 340-kg particle moves along the x axis its position varies with time according to x t 30t3 where x is in meters and
calculate the net torque magnitude and direction on the beam in the figure below about the following axesassume alpha
a hollow conducting spherical shell has radii of 080 m and 120 m as shown in the figure the sphere carries an excess
you hold a bar magnet near a coil of bar wire with 800 turns and radius of 5cm the magnet produces a field of 05t at
the next two questions are worth 10 points in total for both questions consider the following scenario a 20 kg cart
a helicopter has just landed and as its engine is turned off the angular velocity of the rotor blades decreases