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In reaching her destination, a backpackerwalks with an average velocoity of 1.34 m/s. The average velocityresults because she hikes for 6.44 km with an average velocity of2.68 m/s, due west, turns around, and hikes with an averagevelocity of .447 m/s, due east. How far east did she walk?
q1. a solid rock is suspended in air by a spring scale. the rock has a mass of 2.50 kg. when the rock is dunked in
A 3.2 m long pendulum is released from rest when the support string is at an angle of 23° with the vertical. What is the speed of the bob at the bottom of the swing
hiker starts at his camp and moves the following distances while exploring his surroundings: 75.0 m north, Find his resultant displacement from camp
The drawing below shows two situations in which charges are placed on the x and y axes. determine the magnitude of the net electric field at the origin
A cube of ice is taken from the freezer at -8.50C and placed in a 95-g aluminum calorimeter filled with 310 g of water at room temperature of 200C. Find the mass of the ice cube
question1a small steel ball bearing with a mass of 30.0 g is on a short compressed spring. while aimed vertically and
A 1.7-nF capacitor charged to 83.0 V and a 7.7-nF capacitor charged to 24.0 V are connected with the negative plate of each connected to the negative plate of the other. What is the final charge on the 7.7-nF capacitor?
A circus performer stretches a tightrope between two towers. He strikes one end of the rope and sends a wave along it toward the other tower. find the tension in the tightrope
An electron has a velocity of 6.0 x 10^6 m/s in the positive x direction at a point where the magnetic field has the components Bx=3.0T, What is the magnitude of the acceleration at this point
Water at ground level is moving at a speed of 1.20 m/sec in a pipe at a pressure of 850 kPa. What is the pressure of the water on the fourth floor
A 25 kg child at a playground runs with an initial speed of 2.5 m/s along a path tanget to the rim of a merry-go-round with a radius of 2.0 m and jumps on. Find the angular velocity of the child and merry-go-round
A 1486-kg car is moving westward with a speed of 20.3 m/s, and a 2898-kg truck is traveling east with a speed of 17.8 m/s. Find the velocity of the center of mass of the car-truck system
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