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An Airbus A320 jetliner has a takeoff mass of 75,000 kg. It reaches its takeoff speed of 98m/s (220mph ) in 38s . Coefficient friction rubber rolling on concrete 0.02. What is the thrust of the engines? You can neglect air resistance but not rolling friction.
Two charged pith balls are suspended on very light 10.7 cm strings. Each has a mass 11.0 g. In stability, the total angle between the strings is 37 degrees. Draw the free body diagram for one of the pith balls and clearly label all forces with magnit..
A potential difference of 4.75 kV is established between parallel plates in air. what is the minimum separation the plates can have without ionizing the air
The objects are then released from rest. Assuming that the particles never reach the pulley, and also that the particles do not rebound when they strike the ground.
An 63 kg weight watcher wishes to climb a mountain to work o? the equivalent of a large piece of chocolate cake rated at 690 kcal (1 kcal = 1000 cal). How high must the person climb
A 68.0-O resistor is connected in series with a 76.0-µF capacitor and a generator having a maximum voltage of 1.20 102 V and operating at 60.0 Hz
A series AC circuit contains a resistor, an inductor of 200 mH, a capacitor of 5.60 µF, and a source with ?Vmax = 240 V operating at 50.0 Hz. Calculate the inductive reactance
Calculate the volume charge density of the atmosphere
A pinhole camera takes a picture of a building 200 m tall. how far is the camera from the building
A 220 g bird flying along at 6.69 m/s sees a 8.2 g insect heading straight toward it with a speed of 22.66 m/s. What is the bird's speed immediately after swallowing
the volume of a gas is decreased by a constant external pressure of 0.200atm, changing from 2.10 litters to 0.58 litters. during this compression
The nucleus of radioactive polonium-210, with a mass of about 3.49?10?25kg , is known to decay by emitting an alpha particle with a mass of about 6.68?10?27kg. what is the recoil speed of the remaining nucleus
In the Tintin adventure Explorer's on the Moon, the rocket leaves earth and accelerates toward the moon. Upon reaching some point between the two planetary bodies, it executes a turning maneuver, at which point rocket is "facing backwards". How lo..
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