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Two capacitors are joined in series C1 and C2 of capacitance 2 mF and 6 mF. Both the capacitors are separately initially charged to 24 V and the battery is detached. Find out the charge of each capa
A ball is dropped from rest from the top of a building of 10 m. (i) Determine the velocity of the ball if it has fallen a distance of around 3 m (ii) Determine the velocity of ball as it strikes the
A long jumper jumps having a velocity of around 9.7 m/s at an angle of 40 degrees above the horizontal. 9i) Find out the greatest vertical height he attains? (ii) Find out his velocity if he lands?
A big man sits on a four-legged chair with his feet off the floor. The joint mass of the man and chair is around 95.0 kg. When the chair legs are circular and encompass a radius of 0.500 cm at the b
Bone consists of a Young's modulus of around 18 x 109 Pa. Under compression, it can endure a stress of around 160 x 106 Pa before breaking. Suppose that a femur (thigh-bone) is 0.50 m long, and evalu
A slide projector requires to create a 98 cm-high image of a 2 cm tall slide. The screen is around 300 cm from the slide. i) Determine the focal length which the lens require? Suppose that it is a thi
The glass core of the optical fiber consists of index of refraction 1.60. The index of refraction of the cladding is around 1.48. Determine the maximum angle among a light ray and the wall of the co
A tall object of 2.0 cm is 15 cm in front of the converging lens that consists of a 20 cm focal length. Compute the position and height and comprise diagram.
An object is around 20 cm in front of the diverging lens having a focal length of 10 cm. Employ ray tracing to find out the position of the image. Is the image inverted or upright? Is it virtual or
The weights are then interchanged and balance is again achieved by shifting the pivot point to the 43 cm mark. Determine the mass of the meter stick and the position of its center of gravity.
A puck having mass 0.20 kg approaches a second, similar puck that is stationary on frictionless ice. The original speed of the moving puck is around 6.0 m/s.
A model-train car having mass 225 g traveling with the speed of 0.50 m/s links up with the other car of mass 445 g which is initially at rest. Determine the initial kinetic energy. Determine the fin
A model rocket engine consists of an average thrust of 5.26 N. It consists of an initial mass of 25.9 g, which comprises fuel mass of 13.5 g. The period of its burn is around 1.90 s. (Suppose that
Supposing that this star is basically at the edge of the galaxy, each of the stars in the galaxy consists of a mass identical to that of the star and the stars are distributed equally in a sphere ab
If two identical ions are apart by a distance r = 6.2 Å, the repulsive electric force which each applies on the other is 5.40 x 10-9 N. Determine how many electrons were eliminated from the neu
A seismographic station obtains S and P waves from an earthquake, separated in time by 15.8 second. Suppose that the waves have traveled over the similar path at speeds of 4.50 km/s and 8.20 km/s. D
When two fire-crackers generate a sound level of 95 dB if fired simultaneously at a certain place, then what will be the sound level when only one is exploded?
A wire of 47.4 cm long carries a current of 0.460 A in the positive direction of an x-axis via a magnetic field having an x component of zero, a y component of 0.000260 T and a z component of 0.0100
The airplane engine gives a total thrust of 0.793 N perpendicular to the tethering wire. (i) Determine the angular acceleration of the airplane if it is in level flight.
A diffraction grating consists of a spacing of d = 1500nm. It is employed with light of wavelength 500 nm. At what angle will the first-order diffraction image be viewed?
Suppose that light having a wavelength of 550 nm. (Note: The distance from pupil to the retina is around 25.4 mm. Moreover, the space among the pupil and the retina is filled having a fluid having i
When 90% of the mechanical energy of the system is absorbed through the aluminum, determine its temperature raise at the bottom of the incline? (Specific heat for aluminum is around 900 J/kg•&d
An object of 0.20 kg joined to the end of the string swings in a vertical circle of radius 80 cm. At the top of the circle the speed of the object is around 4.5 m/s. Find out the magnitude of the te
An object of 3.45 kg is moving in a plane, having its x and y coordinates given through x = 6t2 - 3 and y = 4t3 + 6, where x and y are in meters and t is in seconds. Determine the magnitude of the t
You are standing by the roadside as a truck approaches and you compute the dominant frequency in the truck noise at around 1120 Hz. As the truck passes, the frequency reduces to 920 Hz. Find out the