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you must determine the acceleration of a rocket so that its equipment can be designed to survive. the rocket will have a burne time of t=30 second, during which time it flies stright up with constant acceleration a cll this phase I of the experiment. after the fuel is exhausted, the rocket will enter free-fall; call this phase II. THE TOTAL TIME OF FIGHT OF THE ROCKET MUST BE t=300 seconds
a) what should you make the acceleration of the rocket,a ,when the engine is on?
b) what is maximum altitude of the rocket?
a 57 kg researcher absorbs 6.3*10^8 neutrons in a workday. The energy of the neutrons is 2.6 MeV. What is the equivalent dosage of the radiation exposure
A predatory fish can accelerate from rest to 5 m/s in 0.28 s. What is the acceleration of the fish
A charge of -3.00 nC is placed at the origin of an x-y coordinate system, and a charge of 2.00 nC is placed on the y-axis at y=4.00cm. What are the magnitude and direction of the total force
Using the medium p model of the line, Find the current, voltage, reactive power, real power, & power factor at the sending end of the line.
A near-sighted woman cannot focus on any object farther away than a distance x = 57 cm. Find the focal length of the lens which will correct her vision
Three point charges are fixed to rectangular coordinate system, Calculate the magnitude and direction of the net electrostatic force on the charge on the x-axis
two blocks are connected by a string over a disk-shaped pulley with mass M8.5 kg and outermost readuis R = 0.10m. Calculate the acceleration of the hanging block
A pump is used to empty a 6000{\rm L} wading pool. The water exits the 2.5-cm-diameter hose at a speed of 2.0{\rm m}/{\rm s}
In a 290-turn automobile alternator, the magnetic flux in each turn is %u03A6B = 2.50 10-4 cos %u03C9t, Determine the maximum emf in the alternator
A 0.30 kg object is attached to a spring with force constant 167 N/m so that the object is allowed to move on a horizontal frictionless surface. Find the force on the object
A rocket is launched at an angle of 56.0° above the horizontal with the initial speed of 101 m/s. The rocket moves for 3.00 s along its initial line of motion with an acceleration of 28.0 m/s2. At this time, its engines fail and the rocket proceeds..
Describe its motion. (Will it slide forever at a constant velocity? Will it slide to a stop? Illustrate in what way will its energy changes be similar to that of a pendulum?)
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