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A 270- kg load is lifted 22.0 m vertically with an acceleration a=0.130 g by a single cable. Determine the tension in the cable. Determine the net work done on the load. Determine the work done by the cable on the load. Determine the work done by gravity on the load. Determine the final speed of the load assuming it started from rest.
After a plant or animal dies the 14C content decreases with a half-life of 5730 years. what is the age (in years) of the ancient site
A circular saw blade of diameter 0.180m starts from rest. In a time interval of 5.80s it accelerates with constant angular acceleration to an angular velocity of 140 rad/s. Find the angle through which the blade has turned
At t = 5.0 seconds, the cheetah is standing still, having knocked over the gazelle. Illustrate what is the average acceleration of the cheetah from t = 0 to t = 5.0 seconds?
A 0.2kg rock attachedd to a horizontal springg of spring constant k=200N/m is placed on a horizontal, frictionless surface. what is the amplitude of motion for the rock
The position of a 9x10-31kg particle is given by: x(t)=3t2x+4ty where x and y are unit vectors. What is the force acting on the particle
A transverse sinusoidal wave on a string has a period T = 36.0 ms and travels in the negative x direction with a speed of 30.0 m/s. At t = 0, What is the maximum transverse speed of the string
A train is travelling up a 3.2 degree incline at a speed of 3.55 m/s as the last car breaks free and begins to coast. How long does it take for the last car to come to rest.
The position of an object as a function of time is r? =(3.2t+ 0.90 t2)i^+(1.7t? 1.2 t2)j^m, Find the object's magnitude of the acceleration and What is the direction of the acceleration
The carbon monoxide molecule (CO) consists of a carbon atom and an oxygen atom separated by a distance of 1.13 x 10-3m. Determine the location of the center of mass of this molecule relative to the carbon atom
An engine absorbs 3,470 J of heat energy each cycle and expels 1,150 J. If it is a reversible heat engine and the hot reservoir is at 730 K, what is the temperature of the cold reservoir
A horizontal mass-spring system is in SHM. The mass is 0.25kg, the spring constant is 12N/m, and the amplitude is 15cm, What is the maximum speed of the mass and where does it occur
what is the initial velocity of a silver bullet if it completely melts when striking a werewolf? the initial temperature of the bullet is 300
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