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Consider the 55.0 kg mountain climber in Figure.
(a) Find the tension in the rope and the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, assume negligible force exerted by her arms.
(b) What is the minimum coefficient of friction between her shoes and the cliff?
Determine the tangential speed of the sun. What is the magnitude of the net force that acts on the sun to keep it moving around the center of the Milky Way?
The catapult on an aircraft carrier can take an aircraft from 0 to 83.1 m/s in 14.5 seconds, at which time the aircraft launches. What is the acceleration of the aircraft when it launches
The kinetic energy is transferred to the pole, which is compressed like a spring of elastic constant of 2720 N/m; Air resistance energy loss on the way up is 300 J, and as she crosses the bar she has a horizontal speed of 2.00 m/s. If Molly rises ..
Ball 1, with a mass of 140 gram and traveling at 15 m/s, collides head on with ball 2, which has a mass of 330 gram and is initially at rest. Find the final velocities of each ball if the collision is perfectly elastic
An air puck of mass m1 = 0.29 kg is tied to a string and allowed to revolve in a circle of radius R = 1.4 m on a frictionless horizontal table. What is the horizontal force acting on the puck
water flows through a horizontal pipe of cross-sectional area 10 sq. cm. at one section the cross-sectional area is
A spaceship with a constant speed of 0.800c relative to Earth travels to a star that is 4.30 light-years from Earth. How much time for this trip would elapse on a clock on Earth
A soft iron bar is sitsting surrounded by two separate loops of wire. The loop on the left, L1, initially has a current flowing clockwise as viewed from the right, What will be direction of magnetic field in soft iron bar
A train engine weighs 5 times as much as aflatbed car. If the engine coasts at 3 km/hr into the boxcarthat is initially at rest and becomes coupled to the boxcar, how fast do the two move after the inelastic collision?
A conductive loop of radius r = 1.0 cm falls towards a stationary solenoid of 100 turns per cm carrying a current of I = 2.00 A. What is the direction of the current induced in the loop
Calculate the net charge on a substance consisting of a combination of 2.7×10e13 protons and 3.7×10e13 electrons. The elemental charge is 1.6 × 10e19 C
The density of a 5.0-m long rod can be described by the linear density function ?(x) = 125 g/m + 14.5x g/m2. Determine the total mass of the rod
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