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Question: A stone is dropped into a river from a bridge 49.9 m above the water. Another stone is thrown vertically down 1.14 s after the first is dropped. Both stones strike the water at the same time.
Part A: What is the initial speed of the second stone?
I don't understand how to get the answer. Can you please help me with this question?
A bicycle wheel is accelerating at the constant rate of 1 rev/s2. After 4.6s how many revolutions does it turn
a 43-year - old mother of three comes to a physicians office with suspected breast cancer. because she is located in a
The loop shown below is immersed in a uniform magnetic field that points into the page and stretches across the entire page.
Carbon 12 is defined such that 12g is one mole. So if a diamond is 37.5 g, how many moles of carbon are in it? How many molecules of carbon are in it
A pitcher throws a 0.140 KG baseball, and it approaches a bat at 30.0 m/s. The Bat does Wnc=70.0J work on the ball in hitting it. Ignoring air resistance, deterring the speed of the ball after the ball leaves the bat and it has gone 25.0m.
A cord is used to vertically lower an initially stationary block of mass M = 14 kg at a constant downward acceleration of g/7. find the work done by the cord's force on the block
Magnetic field lines can be entirely confined within the core of a toroid, but not within a straight solenoid. Why?
A Carnot (reversible engine) operates between the temperatures of 25 C and 250 C. What is the efficiency of this engine
The pulley system is used to lift a 52 kg crate. Note that one chain connects the upper pulley to the ceiling and a second chain connects the lower pulley to crate. assume the masses of the chains, pulleys, and ropes are negligible, conclude the forc..
suppose you look through a 3.7 mm thick window comprised of a material whose refractive index is 1.57.a by what time
The pulmonary artery, which connects the heart to the lungs,has an inner radius of 2.8 mm and is8.2 cm long. what is the average speed of blood in the pulmonary artery
A 5.00 g bullet moving with an initial speed of 400 m/s is fired into and passes through a 1.00 kg block. evaluate the mechanical energy lost in the collision
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