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An archer shoots an arrow toward a 300g target that is sliding in her direction at a speed of 2.50 m/s on a smooth, slippery surface. The 22.5 g arrow is shot with a speed of 37.0 m/s and passes through the target, which is stopped by the impact. What is the speed of the arrow after passing through the target
A circular disk with the rectangular hole has a radius of 0.540 m and mass of 0.440 kg. It is suspended by a point on its perimeter. The moment of inertia about this point is I_p = 1.7×10-1 kgm2.
A magnetic field is oriented at an angle = 60 degrees to the normal of a rectangular area. what is the area of a rectangle
With a particular grating a doublet of the two wavelengths 731.3 and 732.1 nm is viewed in the third order at 9.3° to the normal, find the grating spacing in nanometers
A 10.0-m long string is moved up and down with simple harmonic motion with a frequency of 33 Hz. Determine the wavelength of the waves on the string
A cockroach of mass m lies on the rim of a uniform disk of mass 8 m that can rotate freely about its center like a merry-go-round. determine the angular velocity of the cockroach-disk system
A violet bulb uniformly emits monochromatic light of wavelenght 400nm. If it emits 10^23 photons in a hour, and it is 20% efficient, what is the watt rating of the bulb ?
Object A has a mass of mA = 16.8 kg and an initial velocity of = 8.97 m/s, due east. Object B, however, has a mass of mB = 28.8 kg and an initial velocity of = 4.15 m/s, due north.
A hiker starts at his camp and moves the following distances while exploring his surroundings: 80.0 m north, 2.20 102 m east, Find his resultant displacement from camp
Two parallel plates of 10-4 m2 in area aregiven equal and opposite charges of 10-7 C. The spacebetween the plates is filled with a dielectric material and the electric field within the dielectric is 3.3×10-5N/C. Determine the dielectric constant of t..
Photons of wavelength 530 nm are incident on a metal. The most energetic electrons ejected from the metal are bent into a circular arc, compute the work function of the metal
Presume the child remains horizontal during the fall to the floor. Note that a more complicated fall could result in a head velocity greater or less than the speed you calculate.
A beam of hydrogen molecules (H2) is directed toward a wall, at an angle of 45° with the normal to the wall. What is the beam's pressure on the wall
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