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the cable of a hoist has a cross-section of 80 mm2 the hoist is used to lift a crate weighing 500 kg what is the stress
an electron is accelerated from rest through through a potential difference of 35000 v what is the electrons kinetic
two men decide to use their cars to pull a truck stuck in mud they attach ropes and one pulls with a force of 562 n at
a particle travels horizontally between two parallel walls separated by 184 m it moves toward the opposing wall at a
a ship is expecting to travel to its home port 410 km due east before the ship starts to travel a severe storm comes up
you and your friend throw balloons lled with water from the roof of a several story apartment house you simply drop a
a hollow conducting sphere with an outer radius of 0243 m and an inner radius of 0203 m has a uniform surface charge
a bat moving with a speed of 410 ms and emitting sound of 310 khz approaches a moth at rest on a tree trunka what
a person with perfect pitch sits on a bus bench listening to the 438 hz horn of an approaching car if the person
the velocity vector of a sprinting cheetah has x and y components vx 126 ms and vy-27 msa what is the magnitude of the
the fastest measured pitched baseball left the pitchers hand at a speed of 480ms if the pitcher was in contact with
a 78 g basketball is launched at an angle of 473 and a distance of 166 m from the basketball goal the ball is released
a ship is expecting to travel to its home port 650 km due east before the ship starts to travel a severe storm comes up
a student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 190 ms the cliff
a 48 hz wave with an amplitude of 12 cm and a wavelength of 270 cm travels along a stretched horizontal stringa how far
consider two displacements one of magnitude 29 m and another of magnitude 44 m what angle between the directions of
a plane accelerates from rest at a constant rate of 500ms2 along a runway that is 1800m long assume that the plane
a room has dimensions 298 m height times 459 m times 603 m a fly starting at one corner flies around ending up at the
a heavy piece of machinery is raised by sliding it a distance d 149 m along a plank oriented at angle 257deg to the
a 165 nc charge with a mass of 15 x 10-15 kg experiences an acceleration of 633 x 107 ms2 in an electric field what is
a common capacitor found in the lab is in the form of a cylinder of length 25 cm suppose it is an air filled
a mass is placed at rest on a ramp inclined at 33 degrees to the horizontala if friction is negligible what is its
you are driving your car and the traffic light ahead turns red you apply the brakes for 25s and the velocity decreases
a package of supplies is to be dropped from an airplane so that it hits the ground at a designated spot near some
in a classic carnival ride patrons stand against the wall in a cylindrically shaped room once the room gets spinning