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Car C of mass 3.0 x 103 kilogram is traveling at 50 m/s. It approaches car D of mass 2.0 x 103 kilogram going 30 m/s in the similar direction and strikes it in the rear. Neither driver applies the brakes. Ignore the frictional forces on the cars due to the road and due to air resistance.
A. If the collision slows Car C down to 40 m/s, find what is the speed of Car D after the collision?
B. During the collision, determine which car exerts a larger force on the other, or are the forces equal in magnitude? Explain.
a hydraulic press consists of two vertical cylinders of circular cross-sectional areas 6cm2 and 120cm2 that are joined
The first-order principal maximum produced by a grating is located at an angle of ? = 17.3 degrees. What is the angle for the third-order maximum with the same light
Block A sits on a table and is in thermal equilibrium with the table. The internal energy of block A is 100 J. Block B sits on the same table and is also in thermal equilibrium with the table.
A 2 kg mass is placed at rest against a spring of spring constant 5 N/m, which is compressed by 10 cm from its equilibrium position. compute the amount of potential energy stored in the spring
A satellite, moving in an elliptical orbit, is 361 km above Earth's surface at its farthestpoint and 169 km above at itsclosest point. Calculate the semimajor axis of the orbit. Calculate the eccentricity of the orbit.
Atoms can be cooled using multiple laser beams. In such an experiment, the temperature of sodium atoms can be cooled to 0.1 mK. What is the rms speed of the atoms at this temperature
What are the similarities and differences between the virtual image formed of an object by a plane mirror and the virtual image of the same object, the same distance away from a convex mirror?
Monochromatic light of a given wavelength is incident on a metal surface. However, no photoelectrons are emitted. how should the incident light be adjusted
A metal ball with a mass of 3.71·10-6 kg and a charge of +5.77 mC has a kinetic energy of 4.99·108 J. It is traveling directly at an infinite plane of charge with a charge distribution of +3.21 C/m2. If it is currently 1.87 m away from the plane of c..
A parallel-plate capacitor has 2.00 cm2 plates that are separated by 5.00 mm with air between them. If a 12.0 V battery is connected to this capacitor, how much energy does it store?
A 120 kg scaffold is 6.6 meters long. It is hanging with two wires, one from each end. A 540 kg box sits 1 meter from the left end. What is the tension in the right hand side wire
Under ambient conditions (T=300K ), the intrinsic electron concentration of silicon (Si) is ni=1.45*10^10cm^-3. Calculate the band gap energy of the semiconductor
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