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Solve the all parts of given question:
Question: A swimmer bounces straight up from a diving board and falls feet first into a pool. She starts with a velocity of 4.00 m/s, and her takeoff point is 1.50 m above the pool.
Part I: How long are her feet in the air?
s
Part B: What is her highest point above the board?
m
Part C: What is her velocity when her feet hit the water?
Don't just give me the answer, explain your steps as well.
The energy difference between parallel and antiparallel alignments of the z component of an electron's spin magnetic dipole moment with an external magnetic field B directed along the z component is 6.7 x 10-25 J. What is the magnitude of B?
A physics lecture room has a volume of 251m^3. Calculate the mass of the air in the room
A particular inductor has appreciable resistance. When the inductoris connected to a 11.5 V battery, the current in the inductor is4.54 A. When it is connected to AC source with an rms output of11.5 V and a frequency of 69 Hz, the current drops to..
A bullet of mass m = 25 g is fired into a wooden block of mass M = 4.5 kg. The block is attached to a string of length 1.5 m. The bullet is embedded in the block, causing block to then swing.
A 319-kg cannon, sliding freely on a frictionless horizontal plane at a speed of 8.13 m/s, shoots a 13.1-kg cannonball at an angle of 54.7° above the horizontal. What is the velocity of the ball relative to the cannon
The initial speed of a 2.81 kilogram box traveling up a plane inclined 37degree to the horizontal is 4.09 m/s. Determine its speed when it has traveled half the distance
an empty parallel plate capacitor is connected between the terminals of a 8.92-v battery and charges up. the capacitor
A force vector points at an angle of 64.9 ° above the +x axis. It has a y component of +276 Newton's (N). Find out (a) magnitude and (b) x component of the force vector.
A rectangular sample of a metal is 3.8 cm wide and 600 µm thick. When it carries a 30 Acurrent and is placed in a 0.8 T magnetic field it produces a 6.5µV Hall emf
The largest wavelength of light that will induce a photoelectric effect in potassium is 564nm. What is the kenetic energy of the ejected electron
What is the focal length of this mirror. If the object is 25 cm in front of the mirror, what is the image distance.
A flat sheet of crown glass has a thickness of 1.4 cm. It is on top of a flat sheet of crystalline quartz that has a thickness of 1.3 cm. Light strikes the crown glass vertically and travels through it and then during the crystalline quartz. In the t..
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