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Two cars emerge side by side from a tunnel. Car C is traveling at a speed of 60 km/h with an acceleration of 40 km/h/min. Car D has speed of 40 km/h with an acceleration of 60 km/h/min. find who is first to come out of the tunnel first?
An explosion breaks an object into two pieces, one of which has 1.80 times the mass of the other. If 10000 J were released in explosion, how much kinetic energy did each piece acquire.
A particle moves along the path y= -0.500x^2 (meters) with a constant speed of 5 m/s. Assume dx/dt >= 0. Determine the Cartesian components of velocity
question1analyse the crystal thickness pd df prf prp spl period and distance to reflector if a 3 cycle pulse emitted
At one instant a bicyclist is 43 m due east of a park's flagpole, going due south with a speed of 12 m/s. Then 22 s later, the cyclist is 43 m due north of the flagpole, going due east with a speed of 12 m/s.
A 14.0 kg block of metal measuring 12.0 cm x 10.0 cm x 10.0 cm is suspended from a scale and immersed in water. find the forces acting on the top and on the bottom of the block
Light from a laser beam with a wavelength of 600 nm passes through a narrow single slit and observed on a screen 1.5 m behind the slit. The first minimum of the diffraction pattern is 1.5 cm from the central maximum. How wide is the slit?
question a car goes faster and fast backward down a long driveway. the cars velocity changes from -2ms to -9ms in 2
a large boulder is ejected vertically upward from a volcano with an initial speed of 40.2 ms. air resistance may be
A storage tank has a diameter of 80 ft, a height of 25 feet, andcontains oil to a height of 15 ft. The suction pumps, whichcan handle 15, 000 bbl/d are started, but the safety valves areclogged and a vacuum is drawn in the tank.
The wave function for a traveling wave on a taut string is (in SIunits) the following equation. y(x, t) = (0.382 m)sin(14πt - 3πx + π/4), What are the speed and direction of travel of the wave
A stone is thrown with an initial speed of 15 m/s at an angle of 53degrees above the horizontal from the top of a 35m building. what is the speed of the rock as it hits the ground
A 57.0kg cheerleader uses an oil-filled hydraulic lift to hold four 130kg football players at a height of 1.40m, what is the diameter of the football players' piston
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