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an object is placed 5 cm in front of a spherical mirror a virtual image is formed 10 cm behind the mirrora what is the
a disk 10cm in diameter is located 25 m from a 100-w light bulb the surface of the disk is a perfect reflector and the
an rl circuit has a v9v battery a r13000ohm resistor and a l07h connected in series with a switch the switch is left
tarzan swings on a 280 m long vine initially inclined at an angle of 320deg with the vertical what is his speed at the
a 40 kg child stands on the edge of a rotating merry-go-round with a radius of 2m the moment of inertia of the
a uniform electric field of 15 times 104 nc is oriented in the positive x direction a uniform magnetic field of 5 t is
three resistors of resistance 2 3 and 4 are connected in series with a 10 v batteryin which resistor is the greatest
21 g of helium at an initial temperature of 120 deg c and an initial pressure of 10 atm undergo an isothermal expansion
a particle is in the ground state of an infinite square well find the probability of finding the particle in the middle
two charges are positioned on the x axis a charge of 4 c is located at x 5 cm and a charge of 2 c is located at x -5
the temperature of 13 kg of water is 34deg c to cool the water ice at 0deg c is added to it the desired final
a solid sphere with a radius of 10 cm is rolling freely on a horizontal surface the velocity of its center of mass is
a spring with a spring constatn of 1200 nm is placed at the bottom of an inclined plane with an angle of 30 degrees
a solid cylinder with a mass of 10 kg is attached to an inclined planea 2kg block is attached to a string that is
a hockey player wants to pass the puck to his team mate the puck needs to go a distance of 30 meters before coming to a
a 1600 kg car is traveling with a speed of 10 ms the driver slams on breaks which give a force of 800 n how far does
a simple pendulum is released from the horizontal position the length of its string is 15 m and the mass is 50 g when
if the string is wrapped to the pulley and a downward force is applied to the string the pulley rotates is the
a 2000 m wide river has a current of vectorv 2 i ms a boat which has a maximum speed of 5ms with respect to the river
a 170-kg rock is released from rest at the surface of a pond 100 m deep as the rock falls a constant upward force of
an airplane is travelling horizontally with a speed of 50 ms 500m above the ground a package is released from the plane
question 3 suppose that it is announced that sa laboratory in your city accidentally released some radioactive gas
a 1340-kg car has just passed a diner the closest the car came to the diner was r165m but the car has driven another
35-mm camera has a single thin lens having a 500-mm focal length a woman 17 m tall stands 100 m in front of the
light of wavelength 646 nm from a distant source is incident on a slit 0760 mm wide and the resulting diffraction