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A 64 kilograms water skier is being pulled by a nylon tow rope that is attached to a boat. The outstretched length of the rope is 11 meter and its cross-sectional area is 2.0 10-5 m2. As the skier moves, a resistive force (due to the water) of magnitude 125 Newton acts on her; this force is directed opposite to her motion. Obtain the change in the length of the rope when the skier has an acceleration whose magnitude is 0.90 m/s2?
A violin string vibrates at 296 Hertz when unfingered. Find at what frequency will it vibrate if it is fingered one third of the way down from the end
A particle is connected between two springs on a frictionless, horizontally level track. determine what is the mass of the particle
A cosmic ray proton streaks through the lab with velocity 0.80c at an angle of 55° with the +x direction (in the xy plane of the lab). Compute the magnitude and direction of the proton's velocity
A 2658 N force is applied 2 cm from the axis of rotation and is parallel to the lever arm. A rotating body has an angular acceleration of 21rad/s2. A 185 N force is applied at the axis of rotation. A force is applied 73 cm away from the axis of rotat..
A jetliner with an airspeed of 1000 km/hr sets out on a 1500 km flight due south. To maintain a southward direction, what is the wind velocity
a hydraulic press consists of two vertical cylinders of circular cross-sectional areas 6cm2 and 120cm2 that are joined
A soccer ball leaves the foot of a player with an intitial velocity of 22 m/s at an angle of 30 degrees above the positive x-axis
A 4.0 uF capacitor is connected in series with a 2.0 kilaOhm resistor across a 20-V DC source and an open switch. If the switch is closed at t=0 s, what is the charge on the capacitor at t= 9 ms
A skateboarder shoots off a ramp with a velocity of 6.4 m/s, directed at an angle of 62° above the horizontal. How high above the ground is the highest point that the skateboarder reaches
administrative expenses are avoidable if product R97C is discontinued. Illustrate what would be the effect on the company's overall net operating income if product R97C were dropped?
A pipeline is currently being constructed to deliver natural gas produced from the Haynesville shell deposit in Northwest Louisiana to Donaldsonville, LA. How many cubic feet of gas will the line hold
An empty parallel plate capacitor is connected between the terminals of a 10.2-V battery and charges up. what is the new voltage between the plates of the capacitor
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