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A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 22.0 m/s. The cliff is h = 75.0 m above a flat horizontal beach How long after being released does the stone strike the beach below the cliff?
_____ s
With what speed and angle of impact does the stone land?
_______ m/s
________ ° below the horizontal
Two charged, parallel, flat conducting surfaces are spacedd=2.00cm apart, What is the initial speed of the electron if it stops just at the second surface
A 5.0-g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195-kg block resting on a frictionless table, Determine the initial speed of the bullet
As part of a safety investigation, two 1800 cars travelling at 18 are crashed into different barriers. Find an average forces exerted on (a) car that hits a line of water barrels and takes 1.80 to stop, and (b) car that hits a concrete barrier and ta..
Resistivity measurements on the leaves of corn plants are a good way to assess stress and overall health. What is the resistivity of the leaf tissue
Two thin coils of radius 3 cm are 20 cm apart and concentric with a common axis, What is the vector magnetic field on the axis, halfway between the two loops
The Eiffel tower in Paris is made of iron. It is 300 meters tall on a cold day (T = - 5 degrees Celsius). What is its height on a hot day
A sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 2.50 m/s. find the distance the sled moves before it stops
A 10.0-g bullet is fired from a rifle having a barrel 0.60 m long. Choosing the origin to be at the location where the bullet begins to move, Find the speed of the bullet as it leaves the barrel
Determine the maximum horizontal force that can be applied to the block before it slips.
Two conductors having net charges of+20.0µCand-20.0µC have a potential difference of20.0V between them. Determine the capacitance of the system.
A dentist uses a small mirror with a radius of 36 mm to locate a cavity in a patient's tooth. If the mirror is concave and is held 16 mm from the tooth, what is the magnification of an image.
An MP3 player operates with a voltage of 3.7 V, and is using 0.28 W of power. Find the current being supplied by the player's battery
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