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Q1. Vector A points in the negative y direction and has a magnitude of 3 units. Vector B has three times the magnitude and points in the positive x direction. Find out the direction and magnitude of the following vectors.
A-B (magnitude and direction counter clockwise from the +x axis)
B-A (magnitude and direction counter clockwise from the +x axis)
Q2. An airplane is flying horizontally with the speed of 1300km/h when an engine falls off. Neglecting air resistance, assume it takes 25 s for the engine to hit the ground.
a) What is the altitude of plane?
b) What is the horizontal distance airplane engine falls?
What would be the equilibrium temperature when a 271 g block of copper at 280°C is placed in a 169 g aluminum calorimeter cup containing 817 g of water at 11.5°C.
In a vacuum chamber the pressure is lowered to 1.0 x 10-10 mm Hg. how many molecules are in 1 cm3 in this chamber
A mass-spring system oscillates with an amplitude of 3.50 cm. If the spring constant is 241 N/m and the mass is 434 g, Determine the maximum speed of the object
An archer shoots an arrow horizontally at the target 14 m away. The arrow is aimed directly at the center of target, but it hits 59 cm lower.
A current of 23.0 mA is maintained in a single circular loop of 3.80 m circumference. Calculate the magnetic moment of the loop
assuming the acceleration is constant throughout each time interval (but not necessarily the same in both intervals), what distance does the shuttle travel during the interval from 7.00 s to 1.00 min.
A horizontal spring with force constant k = 4.80N/m connects the other end of the rod to a vertical wall. The rod is in a uniform magnetic field B = 0.310T directed into the plane.
Batman throws a bat grenade at an angle of 44 degrees to the horizontal with a speed of 17.80 meters per second. How far does it travel.
You want to store 10^-5 C of charge on a capacitor, but you only have a 100 V voltage source with which to charge it. What must be the value of the capacitance
Your textbook has a mass of 2 Kg. Its dimensions are 28 cm by 23 cm by 3 cm. It is standing right side up on your book shelf resting on the smallest area. Calculate the pressure the book applies on the table in Pascals.
The model airplane is flying at a speed of 23 m/s on a horizontal circle of radius 17 m. The mass of the plane is 0.96 kg. The person holding the guideline pulls it in until the radius becomes 8.0 m. The plane speeds up and tension in the guidelin..
A cubic meter of some material has a mass of 8000 kg. Find the buoyant force on the block and the tension in the cable
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