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Two space stations are at rest relative to each other and are 6.0 × 107 m apart, as measured by observers on the stations. A spaceship traveling from one station to the other at 0.90c relative to the stations passes both of them, one after the other. As measured by an observer in the spaceship, how long does it take to travel from one station to the other?
A woman on a bridge 88.9 m high sees a raft floating at a constant speed on the river below, Find the speed of the raft
A heat pump has a coefficient of performance of 3.70 and operates with a power consumption of 7.15 103 W. How much energy does it extract from the outside air
A typical ten-pound car wheel has a moment of inertia of about .35kg*m^2. evaluate the rotational kinetic energy of the rotating wheel
The smallness of the critical angle ?c for diamond means that light is easily "trapped" within a diamond and eventually emerges from the many cut faces. What is the critical angle for total internal reflection
Two objects attract each other gravitationally with a force of 3.0×10-10 N when they are 0.60 m apart. Their total mass is 4.0 kg. Determine their individual masses.
A grinding wheel is in the form of a uniform solid disk of radius 6.95 centimeter and mass 1.95 kilogram. Find through how many revolutions does it turn while accelerating
An object is placed 13 cm in front of a converging lens with a focal length of 1 cm. Carefully draw a ray diagram on a piece of graph paper , Is the image magnified or reduced
a. show explicitly that the classical xor gate cannot be inverted.b. calculate the matrix corresponding to the inverse
A distant galaxy emits light that has a wavelength of 699.1 nm. On earth, the wavelength of this light is measured to be 701.6 nm, Decide whether this galaxy is approaching or receding from the earth
A space vehicle is traveling at 4150 km/h relative to the Earth when the exhausted rocket motor is disengaged, What is the speed (km/h) of the command module relative to Earth after the separation
Two small non conducting spheres have a total charge of Q=Q1+Q2= 95.0 uC , Q1
With an initial velocity of 20 km/h, a car accelerated at 8 m/s2for 10 seconds. a) What is the position of the car at the end of the 10 seconds?
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