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A rocket is fired with an initial velocity of 3m/s at an angleof 35 degrees to the horizontal.
What is the initial vertical componet of velocity?
What is the total time the rocket is in the air?
How far does the rocket travel horizontally?
Explain in detail how you can create an image by using a concave mirror. Give the three important rays which can be used to from the image.
A magnetic field and an electric field, in separate regions of space, have strengths of 1.25 T and 1.25 N/C, respectively. What is the energy density of the magnetic field
Scuba divers breathe compressed air stored in metal tanks. What must the pressure of the air supplied to a diver at a depth of 24 m in salt water be
The length of a simple pendulum is 0.85 m and the mass of the particle (the "bob") at the end of the cable is 0.29 kg. Using the position of the bob at its lowest point as the reference level, determine the total mechanical energy of the pendulum as..
If the partial pressure of water vapor is 47 mm Hg in the lungs at 760 mm Hg pressure, what percentage of air does the water vapor constitue
The equation of a transverse wave traveling along a very long string is y = 5.0 sin (0.055 ?x + 6.0 ?t), Determine the amplitude of propagation of the wave
A person exerts a force of 68N on the end of a door 75cm wide. What is the magnitude of the torque if the force is exerted perpendicular to the door
A narrow beam containing red (660 nm) and blue (470 nm) wavelengths travels from air through a 2.60 cm thick flat piece of crown glass, By what distance are the red and blue separated when they emerge
a large 17 kg roll of paper with radius r=19cm rests against the wall and is held in place by a bracket attached to a rod through the center of the roll. compute the magnitude of the angular acceleration of the roll
A step-up transformer increases 18V to 120V. What is the current in the secondary coil as compared to the primary coil? Assume 100% efficiency
A very large nonconducting plate lying in the xy-plane carries a charge per unit area of 10s. A second such plate located at z = 5.00 cm and oriented parallel to the xy-plane carries a charge per unit area of -1s. Find the electric field for the f..
A constant force of 200N pulls a 30kg box up a ramp 15m long and 4m high. how much work did the frictional force do in the box
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