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A baseball is hit so that it travels straight upward after being struck by the bat. A fan observes that it takes 2.90 s for the ball to reach its maximum height.
(a) Find the ball's initial velocity in m/s upward.
(b) Find the height it reaches in m.
A 61.0kg skater moving initially at 3.78m/s on rough horizontal ice comes to rest uniformly in 3.24s due to friction from the ice
A flower pot fell of a windowsill and falls past the window below. you may ignore air resistance. it takes the pot .470s to pass the window, which is 1.80m hight. how far is the top of window below the windowsill from w/c the flower pot fell.
write a three to five 3-5 page paper in which you1 procedures in the physical sciences challenges in
A small car is pushing a larger truck that has a dead battery. The mass of the truck is twice as large as the mass of car. At one instant of time the car and truck both have an acceleration of 3.5 m/s2. Which of the following statements is true? D..
Assuming a forward contract was entered into on December 16, illustrate what would be the net impact on Car Corp's 2009 income statement related to this transaction?
What is the minimum speed the electron could have after the collision? The allowed energies of a simple atom are 0.0 eV, 5.5eV and 9.0eV
A single-turn square wire loop 5.0 cm on a side carries a 450 mA- current. What is the magnetic dipole moment of the loop
A molecule of DNA (deoxyribonucleic acid) is 2.09 µm long. The ends of the molecule become singly ionized: negative on one end, compute the effective spring constant of the molecule
A charge of q = +10-7 C is uniformly distributed on a spherical shell of radius 12 cm. What is the electric potential at the center of the shell
Two points are given in polar coordinates by (r,?) = (3.0 m , 35.0°) and (r,?) = (4.0 m, -35.0°), respectively. What is the distance between them
A 27-cm-long wire with a linear density of 25 passes across the open end of an 83-cm-long open-closed tube of air. What is the tension in the wire
Suppose he hits the ball with a speed of 29 m/s at an angle of 26° above the horizontal. Explain how long was the ball in flight? How far did it travel?
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