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Question: William is shooting at an apple that hangs on a tree. The apple is a horizontal distance of 20.0m away and at a height of 4.00m above the ground.
Part A: If the arrow is released from a height of 1.00m above the ground and hits the apple 0.580s later, what is the arrow's initial velocity?
Please show all intermediate steps and formulas for above question.
A 1.0-cm-tall object is 60 cm in front of a diverging lens that has a -30 cm focal length. Calculate the image position
A 2.50 syringe has an inner diameter of 4 , a needle inner diameter of 0.24 , and a plunger pad diameter (where you place your finger) of 1.2 cm. A nurse uses syringe to inject medicine into a patient whose blood pressure is 140/100.
A steel ball is dropped onto a hard floor from a height of 1.55 m and rebounds to a height of 1.45 m. (Assume that the positive direction is upward.) Calculate its velocity just before it strikes the floor
a a concave mirror forms an inverted image four times larger than the object. find the focal length of the mirror
if a heater supplies 1.8 x 106 jh to a room 3.5 m x 4.6 m x 3.0 m containing air at 20 ordmc and 1 atm by how much will
John who is ice skating eastward collides with Mary who is ice skating northward. What was John's initial speed
you will explain in detail the principles and laws of electrodynamics under which maglevtrains operate. you will
A bicycle with wheels 48 cm in radius travels down the street with an initial speed of 7.00 m/s. What is the initial angular velocity of the wheels
A 1.8--tall object is 22 to the left of a lens with a focal length of 11 . A second lens with a focal length of 48 is 54 to the right of the first lens. find the distance between the image and the second lens
An energy storage system based on a flywheel (a rotating disk) can store a maximum of 4.0 MJ when the flywheel is rotating at 20,000 revolutions per minute
Calculate the time it takes the sled to travel 21 m down the slope and draw a free-body diagram for the sled sliding down the slope.
A thin copper plate of mass m has a shape of a square with a side b and thickness d. The plate is suspended on a vertical spring with a force constant k in a uniform horizontal magnetic field B parallel to the plane of the plate. Find the period of t..
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