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A?1000 kg aircraft going?25 m/s collides with a?1500 kg aircraft that is parked. They stick together after the collision and are going?10 m/s after the collision. If they skid for 16.9seconds before stopping, how far did they skid?? Hint: Are the aircraft moving at a constant velocity after the collision or do they experience an acceleration?
What is the safe operating voltage for a 100 Ohm, 1/10W resistor, How much power is dissipated at half the maximum voltage
Green light (555 nm) is normally incident on a pair of slits which are 12mircometers apart. How many interference fringes will there be
Two 12-cm-diameter charged rings face each other, 17.0 apart. Both rings are charged to + 40.0. What is the electric field strength at the midpoint between two rings.
A 1.5-H inductor is connected in series with a 200-? resistor through a 15-V dc power supply and a switch. what is the maximum energy stored in the inductor
A Ball Rolling Uphill. A bowling ball rolls without slipping up a ramp that slopes upward at an angle beta (B) to the horizontal. Treat the ball as a uniform, solid sphere, ignore the finger holes.
A 1382-kg car is moving westward with a speed of 21.1 m/s, Find the velocity of the center of mass of the car-truck system
Suppose 7.31 mol of an ideal diatomic gas, with molecular rotation but not oscillation, compute the energy transferred as heat Q
A spherical shell has an outside radius of 2.6cm and an inside radius of a. The shell wall has uniform thickness and is made of a material with density 4.70g/ cm3. The space inside the shell is filled with a liquid having a density of 1.23g/cm3.
Establish an average acceleration
The pilot of an aircraft wishes to fly due west in a 34.60 km/h wind blowing toward the south. The speed of the aircraft in absence of a wind is 145 km/h.
A cube made of wood has sides 15.20 cm in length with an uncertainty of 0.05 cm. What is the final volume of the cube and its uncertainty
A solid sphere of mass 2.5 Kg and a radius .15m starts from rest at the top of the ramp inclined 15 degrees, and rolls to the bottom without slipping. What is the total kinetic energy of the sphere
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