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A cup of coffee is on a table in an airplane flying at a constant altitude and a constant velocity. The coefficient of static friction between the cup and the table is 0.30. Suddenly, the plane accelerates forward, its altitude remaining constant. The maximum acceleration that the plane can have without the cup sliding backwards on the table is 2.94 m/s2. Belgium's HSL-1 train has a top speed of 186 mph. If the train stopped suddenly, how long would it take for a cup of coffee to slide off the table compared to the coffee on the airplane?
A Capacitor and resistor are connected in series forming an RC circuit. If the resistance in the circuit is set at 700 OHMS, What amount of the charge is on the capacitor
A 4.20 kg model rocket is launched, expelling 57.0 g of burned fuel from its exhaust at a speed of 675 m/s. What is the velocity of the rocket after fuel has burned.
What minimumdistance are they from each other? The angle may be too large to use small angle approximation. suppose in units of m.
A (smooth) rope of length L and mass m is placed above a hole in a table. One end of the rope falls through the hole, Find the mechanical energy lost from the rope as the end of the rope leaves the table
A loop of area 0.100 m^2 is rotating at 3600 rpm (revolutions per minute) with an axis of rotation perpendicular to a 0.20 T magnetic field. what is the maximum voltage induced in the loop
A typical flying insect applies an average force equal to twice its weight during each downward stroke while hovering. estimate the average power output of the insect
A block of mass m = 2.00 kg is released from rest at h = 0.700 m from the surface of a table, How far from the table will the block hit the floor
An undersea research chamber is spherical with an external diameter of 3.90m . The mass of the chamber, when occupied, is 30800kg. What is the buoyant force on the chamber
The sunlight reaching the earth has a maximum electric field 810 V/m. compute the maximum magnetic field associated with it.
A mass of 40.0 grams is attached to a vertical spring with a spring constant k = 20.0 N/m and lowered slowly until the spring stops stretching. How much does the spring stretch
A revolutionary war cannon, with a mass of 1950 kg, fires a 24.4 kg ball horizontally.The cannon ball has a speed of 134 m/s after it has left the barrel. The cannon carriage is on a flat platform and is free to rollhorizontally. What is the speed..
a 1.5-kg mass attached to an ideal massless spring of spring constant of 20N/M oscillates on a horizontal, determine the total energy of the oscillating system
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