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The frequency of light reaching Earth from a particular galaxy is 16.0% lower than the frequency the light had when it was emitted. What is the speed (m/s) of this galaxy relative to the Earth?
Give your answer in m/s to two important digits.
A guitar string produces 4 beats per second when sounded with a 350-Hz tuning fork and 9 beats per second when sounded with a 355-Hz tuning fork. What is the vibrational frequency of the string
a 2.5 t magnetic field passes through a circular ring of diameter 3.0 cm at an angle of 30o with the normal. find the
A 2.27-kg block (M1) and a 5.87-kg block (M2) are connected by a massless string. Applied forces, F1 = 10.1 N and F2 = 4.83 N, act on the blocks, What is the net force acting on M1
1. what accounts for an increase in the temperature of a gas that is kept at constant volume?energy has been removed as
A 2.45m long copper wire has 1.35V across its ends. Find the electric field strength within the wire
A popular pastime is to see who can push an object closest to the edge of a table without its going off. what was the object's speed as you released it
Consider a wet roadway banked as in Example 5.24, where there is acoefficient of static friction of 0.30, What is the minimum speed the automobile can have
A solid disk rotates in the horizontal plane at an angular velocity of 0.038 rad/s with respect to an axis perpendicular to the disk at its center. The moment of inertia of the disk is 0.19 kg ·m2. From above, sand is dropped straight down onto this ..
A kangaroo can jump over an object 2.20 m high. What is the total time that it spends in the air
A rocket cruising past earth at 0.800c shoots a bullet out the back door, opposite the rocket's motion, at 0.900c relative to the rocket. What is the bullet's speed relative to the earth
A long horizontal wire carries a current of IT = 46.9 A. A second wire (I), made of 3.00 mm diameter copper wire and parallel to the first but L = 13.8 cm below it, What is the current in the lower wire
A CD has a mass of 16.5 g and a radius of 6.08 cm. When inserted into a player, the CD starts from rest and accelerates to an angular velocity of 20.2 rad/s in 0.708 s. determine the net torque acting on it
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