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at time t 0 a 120 v potential difference is suddenly applied to the leads of a coil of inductance 200 mh and a certain
a global positioning system gps receiver is a device that lets you figure out where you are by receiving timed radio
a person is throwing a ball which is thrown horizontally with an initial speed of 10ms it hits the ground 4 seconds
two children push on opposite sides of a door during play both push horizontally and perpendicular to the door one
water is flowing at400ms in a horizontal pipe under a pressure of220kpa the pipe narrows to half its original diameter
an object is projected upwards with a 30 launch angle and an initial speed of 40ms how long will it take for the object
designing a practical circuit in the usa line voltage is 120v and is driven at 60hz rating in rms voltage you have a
a person who weighs 800n steps onto a scale that is on the floor of an elevator car if the elevator accelerates upwards
a block slides down a frictionless inclined plain that makes a 30 angle with the horizontal find the acceleration of
if a rock is moved from earth to the moon the force of gravity decreases is this due to a decrease mass of the object
two solid bars are attached to each other and fixed to a wall on both ends one is made of steel is 14 in long and has a
1 a capacitor consists of two metal surfaces separated by an electrical insulator with noelectrically conductive path
if the particles in the upper atmosphere have a very high temperature when using the definition that relates
how can we predict a change in climate 100 years from now if we cannot forecast a rain-storm more than 10 days outis
1 for a certain optical medium the speed of light varies from low value of 190108 ms for violet light to a high value
to preserve flow detail digital doppler sampling intervals for vascular color flow image must be at intervals
what is the maximum power of the sun when is burns a 5778 k and what color is it how does this compare to the maximum
aaron agin nodded off while driving home from play practice this past sunday evening his 1500-kg car hit a series of
calculate the magnitude of the gravitational force between the earth and a 2200-kg mass on the surface of the earth the
two spheres with masses m1 820 kg and m2 830 kg are separated by 0230 m what is the net gravitational force from them
m1 is a spherical mass 430 kg at the origin m2 is also a spherical mass 172 kg and is located on the x-axis at x 990 m
the intensity in wm2 of one sound is 546 times as great as the intensity of another sound relative to the quieter sound
the rotating blades exert a force on originally stationary air causing it to move downwards towards the ground gaining
an 80 cm long solenoid with cross-sectional area 00025 m2nbsphas 290 turns of wirecalculate the magnetic field strength
ball a is moving with a velocity of 4 ms and is about to collide with ball b which is stationary both balls have a mass