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A car is moving south with an absolute velocity of 40 km/h. An observer at O is stationed 50 m to the east of the line of travel. When the car is directly west of the observer, what is the angular velocity relative to the observer? After the car moves 50 m south, what is its angular velocity relative to the observer at O?
X rays diffract from a crystal in which the spacing between atomic planes is 0.179nm. What is the angle of the first-order diffraction
A 2.2 mlong glass tube that is closed at one end is weighted and loweredto the bottom of a freshwater lake. Determine the depth of the lake
Shaving/make-up mirrors typically have one flat and one concave (magnifying) surface. What is the focal length of the mirror
Design a response cost procedure for a 13 year old boy with a history of lying. Explain what makes response cost a negative punishment procedure.
A violin string has a length of 0.360 m and is tuned to concert G, with fG = 392 Hz. (a) How far from the end of the string must the violinist place her finger to play concert A, with fA = 440 Hz? (b) If this position is to remain correct to one-half..
a satellite is in a circular orbit about the earth me 5.98 x 1024 kg. the period of the satellite is 1.52 x 104 s.
Vectors A and B have scalar product -3.00 and their vector product has magnitude 5.00. What is the angle between these two vectors
Two capacitors C1 and C2 are connected in parallel to one another, Find the equivalent capacitance of the system if the C1, C2, C3 are respectively 4, 6, 3.6 uF respectively
On his honeymoon, James Joule attempted to explore the relationships among various forms of energy by measuring the rise of temperature of water which had fallen down a waterfall on Mount Blanc. What maximum temperature rise would one expect for a wa..
An open railroad car of mass 2453 kilogram is coasting with an initial speed of 22 m/s on a frictionless, horizontal track. Find how much water has accumulated in the car
A ball is tossed from an upper-story window of a building. Theball is given an initial velocity of 8 m/2 at an angle of 20degreesbelow the horzontal. It strikes the ground 3.00s later.
Water molecule can be visualized as anisosceles triangle with an oxygen ion (-3.2E-19 C) and two Hydrogenions (1.6E-19 C each) at the three corners.
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