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A mortar fires a shell of mass (m) at speed (Vo). The shellexplodes at the top of its trajectory as designed. However, ratherthan creating a shower of colored flares, it breaks into just twopieces, a smaller piece of mass (1m/5) and a larger piece of mass(4m/5). Both pieces land at exactly the same time. The smallerpiece lands perilously close to the mortar (at a distance of zerofrom the mortar). The larger piece lands a distance (d) from themortar. If there had been no explosion, the shell would have landeda distance (r) from the mortar. Assume that air resistance and themass of the shell's explosive charge are negligible.
Find the distance (d) from the mortar at which the larger piece of the shell lands.
Express (d) in terms of (r)
The microwaves in a microwave oven are produced in a special tube called a magnetron. what is the maximum velocity the electrons may have
A particle with a charge of -60.0 nC is placed at the center of anonconducting spherical shell of inner radius 20.0 cm and outerradius 28.0 cm. The sphericalshell carries charge with a uniform density of -3.46 µC/m3.
Your projectile launching system is partially jammed. It can only launch objects with an initial vertical velocity of 42.0 m/s, What horizontal velocity do you need to program into the system
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What is the direction of the electric field along the positive zsemi-axis (vertical) if the field is created by: a uniformly charged circle in the x-y plane with the center atthe origin; a uniformly positively charged wire along the x axis;
A circuit containing a 5.5 H inductor has an alternating current supplied to it. If Irms is 5.1 A and Vp is 76 V, find the frequency of the signal
A 2.0-kilogram object moving with a velocity of 5.0 m/s in thepositive x direction strikes and sticks to a 3.0-kilogram objectmoving with a speed of 2.0 m/s in the same direction. How much kinetic energy is lost in this collision?
What is the longest wavelength of light that may be absorbed by a hydrogen atom that starts in the second excited state
A playground merry-go-round spins with negligible friction. A child moves from the center out to the rim of the merry-go-round platform. In this merry-go-round and child system, which of these quantities change:
A diverging lens has a focal length of 15.0cm . For each of two objects located to the left of the lens, determine Wether the image is erect or inverted
a circular loop area 0.2 m2 turns in a uniform magnetic field with b0.13 t. at an instant when the angle between the
a small ball of mass m is attached to a very light string of length l that is tied to a peg at point p. what is the
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