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A spaceship moves away from the Earth with a speed of 0.80c. Thespaceship then fires a missile with a speed of 0.50c relative to the spaceship.Part AWhat is the velocity of the missile measured by observers on the Earth if the missile is fired toward the Earth?Part BWhat is the velocity of the missile measured by observers on the Earth if the missile is fired away from the Earth?
a concave spherical mirror has a radius of curvature of 4.0 meters. a real object 5.0 cm high is placed 3.0 meters in
At an outdoor market, a bunch of bananas attached to the bottom of a vertical spring of force constant 16.0 N/m is set into oscillatory motion with an amplitude of 20.0 cm. What is the weight of the bananas in newtons
one end of a boat having mass 32 kg touches the shore(the boat perpendicular to shore) a 4kg dog initially stands on the other end of the boat. find how far the dog is then from the shore
After a plant or animal dies, its 14C content decreases with a half-life of 5730 years. what is the age of the ancient site
A 2.1 kg block of wood rests on a long tabletop. A 11.8 g bullet moving horizontally with a speed of 156 m/s is shot into the block and sticks in it
A grating has 776 lines per centimeter. Find out the angles of the first three principal maxima above the central fringe when this grating is illuminated with 603 nm light.
A meterstick of negligible mass has a 0.25 kg mass at its 31 cm mark and a 0.40 kg mass at the 77 cm mark. Where should the fulcrum be so the meterstick is balanced
Equipotential surface A has a potential of 8350 V,while equipotential surface B has a potential of 16100 V. How much work is done by the outside force in moving the particle from A to B
a person with a mass of 50 kg is standing on a scale in an elevator that is accelerating upwards at a rate of 3.2 ms2.
The toadfish makes use of resonance in a closed tube to produce very loud sounds. The tube is its swim bladder, used as an amplifier. Calculate the intensity of the sound wave emitted
A full can of soda has a mass of 0.412 kg. It contains 3.32 10-4 m3 of liquid. Assumingthat the soda has the same density as water, find the volume ofaluminum used to make the can
A 2.0 kg block is projected down a plane that makes an angle of 20.degree with the horizontal with an initial kinetic energy of 2.0 J. If the coefficient of kinetic friction between the block and plane is 0.40, how far will the block slide down along..
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