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1. A jet boat traveling at 12 m=s takes in 0.08 m3=s of water and discharges it at 24 m=s faster than the boat's speed. Estimate the thrust produced and power required.
2. The deflector of Fig. 4.4 changes the direction of a 60 mm · 24 cm sheet of water with V1 ¼ 30 m=s such that a ¼ 60o. Calculate the force components of the water on the deflector if(a) it is stationary(b) it moves away from the jet at 20 m=s(c) it moves into the jet at 20 m=s
a pendulum has a mass of 0.5 kg and starts at a height of 0.3m. if it is released from rest how fast is it going
a wave of amplitude ai and wave number ki is incident on the junction of two strings. if the wave number in the second
A Carnot engine operates between hot and cold reservoirs with temperatures 527 Degrees Celsius and -73 Degrees Celsius. how much heat is extracted per cycle from the hot reservoir
at time t 0 a projectile is launched from ground level. at t 2.00 s it is displaced d 57 m horizontally and h 54 m
A 3.50 gram bullet is fired horizontally at two blocks resting on a smooth surface. Evaluate what is the initial speed of the bullet
Objects with masses of 170 kilogram and a 470 kilogram are separated by 0.420 meter. Find at what position can the 54.0 kg object be located so as to experience a net force of zero
a point charge with charge q1 2.90 mc is held stationary at the origin. a second point charge with charge q2 -4.30 mc
A busy chipmunk runs back and forth along a straight line of acorns that has been set out between his burrow and a nearby tree. At some instant the little creature moves by a velocity of -1.41 m/s.
53.3-cm-long uniformly charged rod is sealed in a container. the total electric flux leaving the container is
A cable is used to raise a 29kg urn from an underwater archeological site. There is a 21 N drag force from the water as the urn is raised at a constant speed.
Consider a loop of wire of radius a carrying a current I. The x-axis is perpendicular to the loop and passes through its center with the origin at the center of the loop. Looking in the positive x-direction at the loop from a point on the negative..
Avoiding air resistance, what is the magnitude of the total velocity of the package at the moment it is thrown as seen by an observer on the ground? Answer in units of m/s.
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