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q1 a cube of ice is taken from the freezer at -94degc and placed in a 94 g aluminium calorimeter filled with 315 g of water at room temperature of
q1 a plane is flying horizontally with speed 198 ms at a height 6640 m above the ground when a package is dropped from the planethe acceleration of
q1 a 1590 kg car starts from rest on a horizontal road and gains a speed of 61 kmh in 30 s a what is its kinetic energy at the end of the 30 sb what
q1 an electric field of 860 x 107 vm is desired between two parallel plates each of area 350 cm2 and separated by 245 mm of air what charge must be
q1 an 1100- car is held in place by a light cable on a very smooth frictionless ramp the cable makes an angle of 310 above the surface of the ramp
q1 the scalar product of vectors and is 510 vector has magnitude 900 and direction 280 west of south if vector has direction 360 south of east what
q1 a juggler performs in a room whose ceiling is a height 30 m above the level of his hands he throws a ball upward so that it just reaches the
q1 wire carries a stable current of 260 a a straight section of the wire is 0750 m long and lies along the x axis within the uniform magnetic field
q1 a horse races once around a circular track in a time of 118s with a speed of 17 ms what is the radius of the track how do you go about solving
q1 george of the jungle with mass m swings on a light vine hanging from a stationary tree branch a second vine of equal length hangs from the same
q1 from the shape of total energy vs time plot what can you conclude about the conservation of mechanical energy in your mass and spring systemq2 a
q1 a bumper car with mass m1 108 kg is moving to the right with a velocity of v1 46 ms a second bumper car with mass m2 98 kg is moving to the
q1 a certain compact disc player draws a current of 290 ma at 360 v how much power is necessary to operate the playerq2 assume a cars brakes can
q1 a bucket filled with water has a mass of 20 kg and is attached to a rope which in turn is wound around a 0050-m radius cylinder at the top of a
q1 a 1190-n uniform beam is attached to the vertical wall at one end and is supported by a cable at the other end a 1915-n crate hangs from the far
q1 after being accelerated to a speed of 184times105 the particle enters a uniform magnetic field of strength 100 and travels in a circle of radius
q1 a proton is moving at 200times105 ms and begins to circle at a radius of 500e-3 m what is the strength of the perpendicular magnetic field acting
q1 an electron librated from a hot filament cathode is attracted by an anode with a potential of 1200v positive with respect to the filament compute
q1 a lightbulb emits a spherical wave if the intensity of the emitted light is 12 wm2 at a distance of 25 m from the bulb what is the intensity at
q1 horse races once around a circular track in a time of 176 s with a speed of 26 ms what is the radius of the trackq2 a 55 kg swimmer is standing on
q1 youre driving down the highway late one night at 20 rm ms when a deer steps onto the road 35rm m in front of you your reaction time before
q1 presume the gravitational field vector of a spherically symmetric mass distribution is a constant ie independent of the distance from the center
q1 a rubber ball of mass m 0739 kg is dropped from a height ho 473 m and it rebounds to a height hf 366 m assume there is no air frictiona find j
q1 a flight attendant pulls her 700 n flight bag a distance of 274 m along a level airport floor at a constant speed the force she exerts is 380 n at
q1 a 12 kg mass attached to a spring oscillates with amplitude of 63 cm and a frequency of 11 hz what is its energy of motionq2 blocks with masses of