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tarzan swings on a 310 m long vine initially inclined at an angle of 340deg with the verticala what is his speed at the
in a compton scattering experiment an x-ray photon scatters through an angle of 174deg from a free electron that is
a 2340 g piece of lead is heated to 860oc and then dropped into a calorimeter containing 6110 g of water that initally
a 10 kg door that is 10m wide and 25m tall is supported by two hingeseach of which is 10 cm from the topor bottomof the
a 736 kg weight-watcher wishes to climb a mountain to work off the equivalent of a large piece of chocolate cake rated
a hand-pumped water gun is held level at a height of 061 m above the ground and fired the water stream from the gun
can the sum of the torques on an object be zero while the net force on the object is nonzero explain can the sum of the
a rock is thrown downward into a well that is 850 deep aif the splash is heard 120 seconds later what was the initial
two steel guitar strings have the same length string a has a diameter of 055 and is under 4400 of tension string b has
a 690-g lead bullet traveling at 420 ms is stopped by a large tree if half the kinetic energy of the bullet is
an airbus a320 has a takeoff mass of 75000 kg it reaches a takeoff speed of 82 ms in 35 s what is the thrust of the
two cars traveling with the same speed move directly away from one another one car sounds a horn whose frequency is 206
an object is placed 555 cm from a screena where should a converging lens of focal length 80 cm be placed to form an
a 100-cm-high object is placed 380 cm to the left of a converging lens of focal length 750 cm a diverging lens of focal
a 5 kg mass is connected to a spring 1000 nm platform which undergoes simple harmonic motion in the vertical direction
youre carrying a 40-m-long 23kg pole to a construction site when you decide to stop for a rest you place one end of the
two astronauts of equal mass 92 kg are holding on to opposite ends of a straight rope in space the length of the rope
a hoop and a disk both of mass 2 kg and radius of 03 m roll without slipping up a straight incline with an initial
object o1 is 159 cm to the left of a converging lens with a 118-cm focal length a second lens is positioned 100 cm to
three blocks are connected on the table as shown below the coefficient of kinetic friction between the block of mass m2
a 035 mass is attached to a spring with a force constant of 26 and released from rest a distance of 39 from the
a transparent photographic slide is placed in front of a converging lens with a focal length of 233 cm an image of the
the right-side rearview mirror of mikes car says that objects in the mirror are closer than they appear mike decides to
a circular loop of radius 50 mm in the plane of the paper carries a counterclockwise current of 15 a it is submerged in
two astronauts each having a mass m are connected by a rope of length d having negligible mass they are isolated in