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Assume a particle called a kaon is created by cosmic radiation striking the atmosphere. It moves by you at 0.900c, and it lives 1.24 x 10-8 second when at rest relative to an observer. Calculate how long does it live as you observe it?
a magnetic field is oriented at an angle of 37 degrees to the normal of a rectangular area 4.5 cm by 7.0 cm. if the
The rms current in an ac circuit with a resistance of 130? is 0.70A. What is the maximum power consumed by this circuit
One end of a stretched string is moved transversely at constant velocity Vy for a time T, Calculate the kinetic and potential energy energies associated with the pulse
A simple pendulum of length 0.8 m swings such that the pendulum reaches the maximum speed in the positive direction at a time of 0.3 seconds. At 0.4 seconds, the pendulum is at an angle of 0.05 radians. Assuming a solution of the form theta (t) = A c..
The drawing shows six point charges arranged in a rectangle. Thevalue of q is 1.63 μC, and the distance d is3.04 m. Find the total electric potential at location P,which is at the center of the rectangle.
A horizontal wire of length 0.57 m, carrying a current of 8.0 A, is placed in a uniform external magnetic field. When the wire is horizontal, estimate the magnitude of the external magnetic field
A transformer consists of two coils of wire wound on a common toroidal iron core. What is the induced emf in the second coil
A golf ball of mass 0.045 kg is hit off the tee at a speed of 40 m/s. The golf club was in contact with the ball for 5.3 × 10-3 s. Discover the magnitude of the impulse imparted to the golf ball.
A bat (see the image below) can detect very small objects, such as an insect whose length is approximately equal to one wavelength of the sound the bat makes. what is the smallest insect the bat can detect
An airplane pilot fell 355 m after jumping from an aircraft without his parachute opening. He landed in a snowbank, creating a crater 1.3 m deep, Estimate the work done by the snow in bringing him to rest
A 0.250 kg ball attached to a string s being swung in a vertical circle, like a roller coaster doing a loop-de-loop, with a radius of 1.15 m. What is the minimum speed at the top of the circle to keep the string from going slack
A simple pendulum on the surface of Earth is found to undergo 13.0 complete small-amplitude oscillations in 7.05 s
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