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The temperature of a gas is increased from 150k to 600k in a balloon. If pressure is kept constant, how does the colume of the balloon change?
A. V quadruplesB. V doublesC. V stays the sameD. V triples
a rocket blasts off from rest and attains a speed of 49 m/s in 14 s. What is the astronaut's apparent weight during take off
A 23 kg body is moving in the direction of the positive x axis with a speed of 292 m/s when, owing to an internal explosion, it breaks into three pieces.
A glass cup is made to vibrate by sound. The rim of the cup has circumference 0.11m. What is the wavelength and frequency
A box of mass 12.5 kg rests on the flat bed of a truck; the box is not tied down in any way. The coefficients of friction between the box and the flat bed are µs = 0.18 and µk = 0.16. what will be the magnitude of the acceleration of the box
Hexagonal close-packed structure. Consider the first Brillouin zone of a crystal with a simple hexagonal lattice in three dimensions with lattice constants a and c. Let Gc denote the shortest reciprocal lattice vector parallel to the c axis of the..
A laser used to weld detached retinas puts out 31 milliseconds long pulses of 640 nanometers light which average 0.71 Watt output during a pulse. Obtain how many photons does each pulse contain
a 2--tall object is 26 to the left of a lens with a focal length of 13 . a second lens with a focal length of -5 is 37
A Concave spherical mirror with focal length of 60 centimeter has a 10 centimeter pencil located perpendicular to the principal axis at 30 centimeter from the vertex of the mirror. Obtain the size of the radius of curvature of the mirror
a 6 kg grinding wheel of radius 0.2 m rotates at a constant rotational frequency of 4 rads when an object makes contact
a helicopter moves in such a way that its position at any time is described by the horizontal and vertical equations x
A point on a rotating turntable 15.0 centimeter from the center accelerates from rest to 0.700 m/s in 1.75 second. Obtain the magnitude of the centripetal acceleration of the point
A coiled telephone cord forms a spiral with 56 turns, a diameter of 1.30 cm, and an unstretched length of 60.0 cm. Determine the self-inductance of one conductor in the unstretched cord.
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