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a picture hangs on a nail the tension t in each string segment is 35na what is the equilibrant or the upward reaction
you have landed on an unknown planet newtonia and want to know what objects will weigh there you find that when a
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