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an ant travels in a perfectly straight line in the ndashx direction some distance it turns and then travels some new
when solving physics problems how do you decide whether or not to use the conservation of momentum conservation of
a broken spaceship is located 10 km above the center of a large circular thin sheet of unknown dust the sheet has a
a pendulum swings in a lab room by a period of 2 seconds you place that same pendulum on the top of a vertical pole and
1 why is it tiring to push hard against a solid wall2 when a person pushes hard on a solid wall is work
a 545g block is pushed onto a spring k 485 nm at a distance of 180 cm1 when the ball is released what is its
a customer upset by the latest trend of postal rate increases has decided to try to send letters by balloon even though
1 how much mass of positron and electron we require to move the earth off orbit2 theoretically how much oil do we need
a bat emits an ultrasonic pulse by a frequency of 440 khz it senses a moth flying by and measures a time delay of 730
an acoustic signal is composed of the first three harmonics of a wave of fundamental frequency 470 hz if these
a mass attached to a spring is lifted 10cm and then let go at which point the mass bobs up and down completing 4
a pendulum of length 1m is released from an initial angle of 15 degrees after 1000 sec its amplitude is reduced with
as a part of a new years celebration a boy is needed to cause a wheel adorned with sparklers to spin rapidly to
an ant travels in a completely straight line in the ndashx direction some distance it turns and then travels some new
bobby has a simple pendulum system with a ball of mass m at the end of a string of length l he also has a similar
1 what is sweep time of a scan with a sweep rate of 60hz2 is the true resistance greater or smaller than the gauged
compute the electric field magnitude and direction at the upper right corner of a square 122 m on a side if the other
a 100 m long pendulum having a small marble at the end swings 2383 degrees from the lowest position1 how many cm is the
suppose a uniformly charged with a linear charge density z wire starts at point 0 and rises vertically along the
a hiker walks such that her initial displacement is lt7 miles 35ogt she then changes heading and walks by displacement
a bowling ball is dropped from the top of a building that has a height of h 135 m1 assuming air resistance is
the drawing shows two point charges on the x axis no other charges are nearby given that the net electric field e at
a child in a boat throws a 580-kg package out horizontally with a speed of 100 ms the mass of the child is 230kg and
a parallel-plate capacitor is constructed of two horizontal 172 cm-diameter circular plates a 12g plastic bead by a