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A particle P with mass 9kg has position vector r(r=2.5m) and velocity v(v=45.0 m/s). It is acted on by force F (F=10.0 N). All three vectors lie in the xy plane. About the origin, what is the z-component of the angular momentum of the particle?
After a completely inelastic collision, two objects of the same mass and same initial speed are found to move away together at 1/2 their initial speed
question 1part 1a knight of round table fires off a vat of burning pitch from his catapult at 15.2 ms at 34 above
A cup of water is heated with a heating coil that delivers 27.28W of heat. What is the mass of the water
The volume flow rate in an artery supplying the brain is 3.0 x 10-6 m3/s. If the radius of the artery is 5.4 mm, determine the average blood speed
Gas in a cylinder similar to the one shown in the figure moves a piston with area 0.223 m2 as energy is slowly added to the system. find the displacement of the piston
It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.2 s, illustrate what is the average force exerted on the ball by the wall
A 30 gram mass is hanging from a spring whose unstretched length is 20 cm and whose spring constant is 2.5 N/m. In the list below are described 5 situations. In some of the situations, mass is at rest and remains at rest. In other situations, at the ..
The intensity of the sound from a certain source is measured at two points along a line from the source. The points are separated by 17.2 m, the sound level is 70.00 dB at the first point and 56.13 dB at the second point.
An ideal transformer steps down 120 volts and the 2630 turn secondary supplies 12 amperes. what is the ratio of output power to input power
One of the loudest sounds in recent history was that made by the explosion of Krakatoa on August 26-27, 1883. what was the decibel level on Rodriguez Island
A parallel-plate air capacitor of area A = 21.9 cm2 and plate separation of d = 3.60 mm is charged by a battery to a voltage of 64.0 V. how much additional charge will flow from the battery
question1a race car starts from rest on a circular track of radius 407 m. the cars speed increases at the constant rate
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