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A ball is thrown up with an initial speed of 32m/s from a height of 84m.
1. How long is the ball in the air?
2. What is its impact speed with the ground?
3. At what time wills the object be halfway between the starting point and the ground,
4. At what positions will the ball be when half the total time has passed?
a 70 block of iron is removed from an 800furnace and immediately dropped into 200 of 20 water. what fraction of the
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he cable of the 1400 kg elevator cab in the figure snaps when the cab is at rest at the first floor, Find the speed of the cab just before it hits the spring
Starting from rest, you move with a constant acceleration of 2.1 m/s2 for 13.0 s and then move with an acceleration of -2.1 m/s2, What is your maximum speed attained
A battleship is using sonar (reflected underwater sound signals) to detect the presence of nearby submarines. How far away from the battleship is the submarine
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an antelope is at a distance of 20.0 m from a converging lens of focal length30.0cm. the lens forms an image of the
An airplane flies eastward and accelerates uniformly. At one position along its path it has a velocity of 33.3 m/s. Find the airplane\'s acceleration
A pot containing 1.03 liters of water, initially at 19*C, How much heat must be supplied to bring it to a boil
A thin uniform rod (mass = 1.95 kg) swings about an axis that passes through one end of the rod, What is the length of the rod
A wheel is spinning at 75 rad/s. Over a period of 15 second it is spinner up to353 rad/s. Find how many revolutions it made while spinning up
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