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a photo of a swing ride at an amusement park the structure consists of a horizontal rotating circular platform of
a woman and her dog are out for a morning run to the river which is located 35 km away the woman runs at 24 ms in a
a car rounds a banked curve as shown in the figure below the radius of curvature of the road is r the banking angle is
a light plane attains an airspeed of 370 kmh the pilot sets out for a destination 800 km to the north but discovers
an object of mass m1 400 kg is tied to an object of mass m2 390 kg with string 1 of length 0500 m the combination is
an initiallly stationary cart rolls down an incline with a measured acceleration of 27ms2 how far along the incline
a tennis ball connected to a string is spun around in a vertical circular path at a uniform speed the ball has a mass m
consider a conical pendulum with a bob of mass m 810 kg on a string of length l 100 m that makes an angle of 600deg
scientists want to place a 38000 kg satellite in orbit around mars they plan to have the satellite orbit at a speed of
scientists want to place a 38000 kg satellite in orbit around mars they plan to have the satellite orbit a distance
a spacecraft descends vertically near the surface of planet x an upward thrust of 260 from its engines slows it down at
a 913-kg car starts from rest on a horizontal roadway and accelerates eastward for 500 s when it reaches a speed of 300
a common flashlight bulb is rated at 0202 a and 382 v the values of current and voltage under operating conditions if
two children with masses of 23 and 41 kg are sitting on a balanced seesaw if the lighter child is sitting 3 m from the
in two attempts a javelin is thrown at angles of 35deg and 60deg respectively to the horizontal from the same height
a 50 kg person on a merry-go-round is traveling in a circle with a radius of 2 m at a speed of 6 msa what acceleration
a 100 kg watermelon and a 700 kg pumpkin are attached to each other via a cord that wraps over a pulley friction is
the left end of a long glass rod 100 in diameter has a convex hemispherical surface 500 in radius the refractive index
a particle undergoes two displacements measured from the positive x-axis with counterclockwise positive the first has a
robin is standing terrified at the end of a diving board which is high above the water if robin has a mass of 60 kg and
you are holding a 35 kg dumbbell straight out at arms length assuming your arm is 074 m long what torque is the
the speed of an arrow red from a compound bow is about 51 ms an archer sits astride his horse and launches an arrow
in a certain region of space the electric potential from a given charge distribution can be represented by v 3x22y6 in