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Question: A rock is dropped from a tree of height 29 m into a lake (depth 5.2 m) below. After entering the water, the rock floats gently down through the water at a constant speed of 1.3 m/s to the bottom of the lake.
Question 1: What is the total elapsed time?
Please show all work and steps to determine the total elapsed time.
the weight of the block on a table is 474 n and that of the hanging block is 205 n. ignore all frictional effects and
A bat can detect small objects, such as an insect, whose sizeis approximately equal to one wavelength of the sound the batmakes. If bats emit a chirp at a frequency of 53.0 kHz, and if the speed of sound in air is 340 m/s,what is the smallest insect ..
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A 100 kilogram object is taken to a height of 300 kilometer above the Earth's surface. Find what is the object weight at this height
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On your way to class you are walking North up the oval. From Dale Hall you walk 180 m towards Nielsen Hall when you meet a friend heading the other direction.
can someone please help me with this problem? i have tried it so many ways and it still comes back as incorrect.suppose
A horizontal wire of length 0.51 m, carrying a current of 7.8 A, is placed in a uniform external magnetic field. Determine the magnitude of the external magnetic field
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What is wavelength of the photon emitted when an electron in a singly ionized helium atom which is in the initial state n1=8 jumps to final state nf=4
A proton initially at rest is accelerated by a uniform electric field. Find the voltage drop through which the proton moves
If 55.0 cm of copper wire (diameter = 1.00 mm) is formed into a circular loop, at what rate is thermal energy generated in the loop
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