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Question: As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at your supply of food. You find a campground that is near an outcropping of ice from one of the glaciers. Part of the ice outcropping forms a 43.5° slope up to a vertical cliff. You decide that this is an ideal place to hang your food supply as the cliff is too tall for a bear to reach it. You put all of your food into a burlap sack, tie an unstretchable rope to the sack, and tie another bag full of rocks to the other end of the rope to act as an anchor. You currently have 23.5 kg of food left for the rest of your trip so you put 23.5 kg of rocks in the anchor bag to balance it out. What happens when you lower the food bag over the edge and let go of the anchor bag? The weight of the bags and the rope are negligible. The ice is smooth enough to be considered frictionless.
Part A: What will be the acceleration of the bags when you let go of the anchor bag?
I need help to determine what will be the acceleration of the bags when you let go of the anchor bag.
An astronaut travels to the nearest start system. 10 light years away, and returns at a speed of 0.5c. How much has the astronaut aged relative to those people remaining on Earth?
When responding to sound, the human eardrum vibrates about its equilibrium position. Assume an eardrum is vibrating with an amplitude of 6.15*10-7 m and a maximum speed of 2.67*10-3 m/s. What is the frequency (in Hz) of the eardrum's vibration?
An electrophoresis experiment is performed on two fragments of DNA with radius r1 = 16 nm and charge q1 = -7e, and r2 = 29 nm. What is the charge on the larger fragment
A swimmer swims in a river where the current is 0.57 m/s east. The swimmer swims west for 300 m and then east for 300 m. How much time does it take to swim 300 m upstream
A light bulb has a resistance of 280 ?. It is connected to a standard wall socket (120 V rms, 60.0 Hz).Determine the current in the bulb
For a short time, the path of the plane is described by If the plane is rising with a constant velocity of 10 m/s, determine the magnitudes of the velocity and acceleration
Three charged particles are fixed to an x axis: Particle 1 of charge q1 = 2.1e-8 C is at position x=20 cm and particle 2 of charge q2 = 2.00q1 is at position x = 30 cm, particle 3 of charge q3 = -4.00q1 is at position x = 70 cm.
Oscillation of a 500 Hz tuning fork sets up standing waves in a string clamped at both ends. The wave speed for the string is 430 m/s. What is the length of the string
on its highest power setting a microwave oven increases the temperature of 0.450 kg of spaghetti by 45.0degc in 140 s.a
A box of mass 25 kg is dragged across a level floor by a rope that makes an angle of 25o above the horizontal. Find the force F that will ensure the box moves with constant speed
A coaxial cable consists of a wire of radius 1.0 millimeter and an outer conducting shell of radius 8 millimeter. Determine what is the energy stored in a 2 meter length of the cable
a. suppose you held two proton in space far away from any other objects so that the only force is electrical force
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