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Problem: You swing a 2.20kg stone in a circle, using the full length of a thin 70.0cm rope. At what speed should you swing it so its acceleration will be 9.8 m/s2?
Please explain step by step solution for above problem.
Three people are carrying a horizontal ladder 4.00m long. One of them holds the front end of the ladder, and the other two hold opposite sides of the ladder the similar distance from its far end. What is the distance of the latter two people from t..
It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth
On a hot day, the temperature of an 81099-L swimming pool increases by 4 degrees celcius. What is the net heat transfer during this heating
What is the final temperature of the block and water
A 56 kg woman cheats on her diet and eats a 590 Calorie (540 kcal) jelly donut for breakfast. How many joules of energy are the equivalents of one jelly doughnut?
As the temperature of ice is increased, it changes first into a liquid and then into a vapor. How might one produce liquid carbon dioxide
A man pulls a toboggan for a distance of 40.0 meter along the snow with a rope directed 20.0 degree above the snow. Find how much work is done if the same tension is directed parallel to the snow
The bucket of mass 2.5 kg is released from rest from 4.0 m above the water level. Calculate the vertical acceleration of the bucket
Two dogs pull horizontally on ropes attached to a post; the angle between the ropes is 69.0 degree. Dog A exerts a force of 262N, Find the magnitude of the resultant force
A tobagan with a mass of 15kg is being pulled with an applied force of 45N at an angle of 40 degrees to the horizontal. What is the acceleration if the force of friction opposing the motion is 28N.
An ideal gas is allowed to expand adiabatically until its volume increases by 50%. By approximately what factor is the pressure reduced
A blimp is motoring at constant altitude. The airspeed indicator on the blimp shows that its speed relative to the air is 20km/h, what is the velocity (magnitude and direction) of the blimp relative to the ground
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