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As a particle moves from the origin to (1i + 7j) m, it is acted upon by a force given by (2i + 6j) N. Calculate the work done by this force on the particle as it moves through the given displacement.
A solenoid with a cross-sectional area of 1.88×10^-3 m2 is 0.760m long and has 445 turns per meter. Find the magnitude of induced emf in this solenoid
A soccer player extends her lower leg in a kicking motion by exerting a force with the muscle above the knee in the front of her leg. What is the force exerted by the muscle if its effective perpendicular lever arm is 2.10 cm
The motion detector used in a physics lab sends and receives 22.52 kHz ultrasonic pulses. What is the wavelength of the waves emitted by the motion detector
An object has a total energy of 5.0 x 10^15 J and a kinetic energy of 2.0 x 10^15 J. What is the magnitude of the object's relativistic momentum
A space probe is traveling in outer space with a momentum that has a magnitude of 4.94 x 107 kg·m/s. Determine the momentum of the probe after the retrorocket ceases to fire
An AC generator with a variable frequency is connected across a 45 cm piece of the coaxial cable( outer radius of 4.5mm and an inner radius of 1.5mm, what is the new resonant frequency
A double slit experiment is performed with sodium(yellow) light of wavelength 589.3nm, Find the separation between slits
two forces f1 and f2 are acting on a mass m 5kg. the force f1 7i 6j 2k in n. the acceleration of the mass is given
An advertisement claims that a centrifuge takes up only 0.127 of bench space but can produce a radial acceleration of 4900 at 8160 . Calculate the required radius of the centrifuge
If a material increases its length from 130 m to 132.60 m when its temperature is rasied 155 degrees C, what is its coefficient of linear expansion
A Cadillac of mass2240 kg going east collides with a Geo of mass1250 kg headed north at 25 km/h on a level highway. How fast was the Cadillac moving before the collision
A person swimming underwater sees a lifeguard who is standing in the shallow part of the pool; the water comes up to the lifeguard's waist. In what way does the swimmer see lifeguard's upper body distorted.
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