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An object of 2.50 kg is moving in a plane, with its x and y coordinates provided by x = 2t^2 - 1 and y = 2t^3 + 1, where x and y are in meters and t is in seconds. Determine the magnitude of the net
The polarizing axis of a polarizing sheet forms an angle of 30 degree from the vertical. An unpolarized light of intensity Io passes via the polarizing sheet. The intensity of light after it goes vi
A raft is 4.2 m broad and 6.5 m long. If a horse is loaded onto the raft, it sinks 2.7 cm deeper into the water. Determine the weight of the horse?
The electromagnetic wave is traveling in +x direction. At some moment the electric field is in y direction. The magnetic field at the similar moment is in what direction? Determine what about if is
Determine the speed of bullet when the subsequent oscillations encompass amplitude of 11.9 cm?
The Body Mass Measurement Device on Skylab, a 1970s space station, had a spring constant of 606 N/m. The empty chair oscillated having a period of 0.823s. Determine the mass of an astronaut who osci
The average distance among the sun and the earth is 1.5 x 10^8. Determine how long does it takes for the light to travel from the sun to the earth.
From the trajectory of the basket-ball, you deduce that the ball left his hand at 32.5o from the horizontal at 18.9 m/s. Determine the magnitude of his horizontal velocity when he strikes the ground
Determine the difference between the maximum distances the objects travel up the incline. (Employ any variable or symbol stated above all along with the given as necessary: g for the acceleration of
A planet consists of 2 moons; the first is 3 times as far from the center of the planet as the second and consists of a mass which is 5 times the mass of the second. Determine the ratio of the gravi
(i) The distance to a star is around 7.50 x 1018 m. When this star was to burn out today, in how many years would we witness it disappears? (ii) Determine how long does it take for sunlight to reach
A person is riding a bicycle, and its wheels encompass an angular velocity of +16.0 rad/s. Then, the brakes are exerted and the bike is brought to a uniform stop. Throughout braking, the angular dis
Determine the speed of sound in air, and find out the period and the wavelength of the wave, considering a frequency of around 436Hz.
A cord is wound about a uniform disk which is free to rotate about its center. The radius of the disk is 15cm. Its mass is around 3.5kg and a 5kg mass is joined to the cord and the system is free f
The force on a particle is directed all along the x axis and given by F = 0.88(x/4.0 - 0.69) where x is in meters and F is in Newton. Determine the work done by the force in moving the particle fro
Determine how much energy is required to take away (i) a neutron or (ii) a proton from the nucleus 16/8 O? Note that this is a question regarding the binding energy of the last neutron or proton.
The shaft of a pump begins from rest and consists of an angular acceleration of 5.20 rad/s2 for 20.0 s. (i) At the end of the interval, determine the shaft's angular speed?
A silver wire having resistance of 60 ohms is melted down and the similar volume of silver is employed to make a wire which is 3 times broader than the original wire. Determine the resistance of the
What will be the ultimate result when equivalent masses of ice at 0 degrees C and steam at 100 degrees C are mixed altogether?
Determine the average energy per free electron as a fraction of the Fermi energy (let, consider three dimensional case).
The spring is joined to the table and the mass is not joined to the spring. The spring is compressed adequate to store ‘U’ joules of energy in it and free from rest. Given [m, U, k] Fin
As you walk parallel to plane of the speakers, staying 3.0 m away, the sound intensity reduces until reaching a minimum if you are directly in front of one of the speakers. The speed of sound in the
Determine the height of a satellite above the earth surface when it goes once around the earth in around 100 minutes?
A 40 rail car and a 70 rail car, primarily at rest, are joined altogether with a giant however mass-less compressed spring between them. If released, the 40 car is pushed away at a speed of 4.3 rel
(i) At what times t > 0 will plate A again encompass maximum positive charge? (ii) At what times will the other plate of the capacitor encompass maximum positive charge?