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Xenon ions with a mass of 2.20×10?25 kg and charge +e are accelerated between the plates of an ion drive rocket engine to an exhaust velocity of 43,200 m/s.
(a) What is the potential difference between the plates?
(b) If the potential difference is doubled, what is the velocity of the engine exhaust?
In an amusement park ride, cars are suspended from L = 4.22 m cables attached to rotating arms at a distance of D = 6.08 m from the axis of rotation. What is the angular speed of rotation
The plates of a 3.1 nF parallel-plate capacitor are each 0.27 m^2 in area. How far apart are the plates if there's air between them
A muon formed high in Earth's atmosphere travels towards Earth at a speed v = 0.97c for a distance of 4.1 km as measured by an observer at rest with respect to Earth. Compute the gamma factor associated with the muon
A 5.4 m-long rod of (constant diameter 4.6 mm) is made of 2.0 m of copper and the remainder of aluminum, What is the temperature at the interface between the copper and aluminum
A double convex lens has equal curvature radii of 35 cm. What is the refrative index of the lens
A bird is flying directly toward a stationary bird-watcher and emits a frequency of 1360 Hz. What is the speed of the bird
A humanitarian aid package is dropped from a plane flying horizontally 500m above the ground with a speed 100m/s. What is the speed of the package at time of impact? (Calculate the total speed, not a horizontal or vertical projection.)
Two blocks with masses M1=7.90kg and M2=1.20kg are attached by a thin string which goes over a frictionless, Calculate the magnitude of the frictional force acting on M1
What travel time is required for the landing
In the Atwood machine shown below, m1 = 2.00 kg and m2 = 5.50 kg, How far will m1 descend below its initial level and Find the velocity of m1 after 1.80 s
How long is the rocket in the air?
If a person's food energy intake is 2400 kilocalories per day and if all this energy is given off as heat, what is the average rate of heat output in watts
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