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A rectangular boat (4.5 meter long, 2.0 meter wide and 0.3 meter high), is overloaded such that the water level is just 1.0 c. A rectangular boat (4.5 meter long, 2.0 meter wide and 0.3 meter high), is overloaded such that the water level is just 1.0 centimeter below the top of the boat. Determine the combined mass of the people in the boat?
A 5 m deep river runs on a horizontal 7 m long bridge and 8.5 m wide, which is hung in air 10 m high above the ground. What is the force on the side of the bridge
A model rocket fired vertically from the ground ascends with avertical acceleration of 3.6m/s2 for 5.0 s. Its fuel isthen exhausted, so it continues upward as a free-fall particle and then falls back down.
during each cycle a refrigerator ejects 605 kj of energy to a high-temperature reservoir and takes in 545 kj of energy
Consider a mass spectrometer used to separate the two isotopes of uranium, 238U3+ and 235U3+. Assume the ions enter the magneticfield region with a speed of 7.10*105 m/s. What value of B isrequired to give a separation of 1.2mm when the ions leave th..
A rotational axis is directed perpendicular to the plane of a square. Two forces, F1 and F2, are applied to diagonally opposite corners and act along the sides of the square. In all case the net torque produced by the forces is zero.
A small puck of mass m=0.1kg moves in a circle of radius 0.3m on a table top; the puck is tied with a massless string to a tether at the origin. find the tension in the string at the end of one revolution
A ball is thrown vertically upward with a speed of 1.86 m/sfrom a point 3.82 m above the ground. calculate the time in which the ball will reach the ground
The atmosphere on Mars is almost all carbon dioxide (CO2), and has a pressure of about 6.9×102 Pa, what is the mass of one cubic meter of the atmosphere
The filament in an incandescent light bulb is made from tungsten (resistivity 5.6 x 10-8 ?·m). how long must the wire be
A rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range R. At what angle is the rock thrown
If a student plays a white key on the keyboard and it has a frequency of 395 Hz, what will be the most likely frequency of the next black key
A solenoid is to have an inductance of 0.274 mH, a cross-sectional area of 5.73 10-4 m2, and a length of 37.9 cm. How many turns per unit length should it have
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