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An armada of space ships of proper length 1ly moves at a speed 0.8c relative to a space station. A delivery ship is to travel from the rear of the armada to the front at a speed 0.95c relative to the space station. Consider the space station's reference frame.
a) Calculate the length of the armada.
b) Calculate the relative speed between the delivery ship and the armada.
c) Calculate the delivery time
A single loop of wire of radius 3 cm carries a current of 2.9 A. What is the magnitude of B on the axis of the loop at the following the center of the loop
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum acceleration of the simple harmonic motion
A doubly charged helium atom, whose mass is 6.6*10^-27 kg, is accelerated by a voltage of 3000 V. What will be its radius of curvature in a uniform 0.300 T field
A spherical capacitor is formed from two concentric spherical conducting shells separated by vacuum. The inner sphere has a radius of = 12.1 , and the outer sphere has a radius of = 15.0 . A potential difference of 120 is applied to the capacitor...
A carbon resistor is to be used as a thermometer. On a winter day when the temperature is 4.00?C, What is the temperature on a spring day when the resistance is 216.0
A spring is compressed by 0.0541 m and is used to launch an object horizontally with a speed of 2.80 m/s. If the object were attached to the spring, at what angular frequency (in rad/s) would it oscillate?
A 1200 kg car is traveling at 3.00 m/s and strikes a wall. The 1200 kg car bounces off the wall with a velocity of 4.00 m/s. then the average force on the car is
An undersea research chamber is spherical with an external diameter of 3.70m. What is the buoyant force on the chamber
A dime is placed in front of a concave mirror that has a radius of curvature R = 0.15 m. Determine the distance between the dime and the mirror
In a certain region of space, a particle is described by the wave function ?(x) = Cxe^(-bx) where c and b are real constants. find the energy of the particle
Blood flows in an aorta of radius 8.0 mm at 31 cm/s. Calculate the volume flow rate in liters per minute
The side mirror on a car is convex and has a radius of curvature of 25 cm. Another car is following, 20 m behind the mirror. If the height of the car is 1.6 m, how tall is the image
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