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an object is launched with an initial velocity of 80 ms to the horizontal from 327cm above the ground level the object
a car moves with an initial velocity of 5ms and is subjected to a deceleration of 3ms2 for 2 seconds calculate the
a telescope mirror has a radius of curvature of 180 m it is used to take a picture of the moon radius 1740 km distance
a converging lens and a diverging lens separated by a distance of 205 cm are used in combination the converging lens
the vertical displacement of particles in a string when a wave is propagating through it is given by y 002 sin10t
two of angies friends are talking to each other at a distance of 30 m from where angie stands angie measures the sound
an electron moves in a circular path perpendicular to a magnetic field of magnitude 0270 t if the kinetic energy of the
a transformer has a primary coil with 1200 turns and a secondary coil with 2250 turns if the voltage across the primary
suppose v rms 240 v for an alternating current power source what is the amplitude of the voltage for the
in a model ac generator a 503 turn rectangular coil 50 cm by 21 cm rotates at 120 revmin in a uniform magnetic field of
calculate the inductance of a solenoid with 275 turns if the length of the solenoid is 30 cm and its radius is 25
two blocks connected by a massless rope are placed on an inclined plane as pictured on the righta what is the
aluminum wiring rated at 30 a maximum current is to be installed in a home for safety reasons it should produce no more
a capacitor has parallel metal plates of dimensions 12 cm 24 cm seperated by an air gap of 750 mm the plates are given
if the first-order maximum for pure wavelength light falling on a double slit is at an angle of 100 degrees at what
two soccer players start from rest 33 m apart they run directly toward each other both players accelerating the first
in a long solenoid the density of the wire is 180 turnscm if the current in the wire is 0680 a what is the strength of
two long parallel wires carry currents of 0245 a in the same direction if the wires are 0034 m aparta what is the force
a mass m is suspended using two cables which make angles of theta1 and theta2 with the horizontal across the top m 750
a 0250 kg ball attached to a string s being swung in a vertical circle like a roller coaster doing a loop-de-loop with
an elevator cable breaks when a 975 kg elevator is 245 m above the top of a huge spring k 800 x 104 nm at the bottom
a 630 kg block is pushed 945 m up a smooth 40 degree inclined plane by a horizontal force of 70 degrees north if the
a how much work is done by the horizontal force fp 150 n on the 18 kg block of the figure when the force pushes the
a 630 x 10 -5 h solenoid is constructed by wrapping 54 turns of wire around a cylinder with a cross-sectional area of
a laser beam is incident on two slits 0100 mm apart and a screen is placed 4 m from the slits an interference pattern