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A marble of 50 gram moving at 2.0 m/s hits a 20 gram marble at rest. Determine the speed of each marble instantly after the collision? Suppose the collision is perfectly elastic.
Determine the angular speed of the rod if the rod forms an angle of 30 degrees with the horizontal? (The moment of inertia of the rod around the pin is around 2.0 kg * m^2).
If the string forms an angle of 35 degrees with the vertical, the speed of the mass is around 5.0 m/s. At this instant determine the magnitude of the force on the mass through the string?
At an instant if the string forms an angle of 40 degrees above the horizontal, the magnitude of the tension in the string is around 3.0 N. Determine the speed of the ball at this instant?
An object joined to the end of a string swings in the vertical circle (R = 1.2 m). At a moment when theta = 30 degrees, the speed of the object is around 5.0 m/s and the tension in the string consis
If rain falls from the sky, what happens to the momentum as it strikes the ground? Is your answer valid for Newton’s famous apple? Describe.
Find out the final temperature and pressure. Determine how would the conclusion change when the initial pressure were 100 kPa rather?
Determine the relation among the resistivity of a conducting sphere and the angle between the two points where the sphere is joined to the power supply?
A singly charged ion all together passes via a magnetic field, B and an electric field, E, both oriented at right angles to one other.
An object oscillates from the mass-less vertical spring with a frequency of around 4.00 HZ. Hanging at rest from this spring, determine how much would the object stretch the spring?
A 3.80 kg steel ball hits a wall having a speed of 11.0 m/s at an angle of 60.0° with the surface. It bounces off with the similar speed and angle. When the ball is in contact with the wall for
The piston increases as a result of the evaporation and 5 KJ of work is completed by the vapor. Find out the change in energy of the water for this procedure.
i) When the initial amplitude is around 12.6 cm, determine what will be the amplitude after 45.0 oscillations?
i) Which lens must you use for the objective and which for the eyepiece? Describe why. ii) Determine the magnification of your telescope?
There is a circular electrode having radius of 0.15m. There is a uniform oscillating magnetic field B cos (wt) with B = 0.001T and w = 2*pi*3000Hz perpendicular to the electrode.
A satellite is in the elliptical orbit around the earth having perigee at a distance of 4 earth radii and apogee of 12 earth radii. Determine the period of the orbit?
A bucket of water having mass of 2.72 kg is joined to a rope which is wound around a cylinder. The cylinder consists of a mass of around 9.32 kg and is mounted horizontally on the frictionless beari
Determine the total magnification of the microscope. (The close by point of the eye is 25 cm. Suppose that the object is positioned at the focal point of the objective lens and one places the eyepie
The closest star to earth is around 4.2 light years away. At what constant velocity should a spacecraft travel from earth if it is to reach the star in 4.0 years, as compute by travelers from on the
An electron forms an energy level transition from -13.6 eV to -3.4 eV. Find out the energy of the photon absorbed for this transition?
Determine the overall magnification of the microscope. (The near point of the eye is around 25 cm. Suppose that the object is positioned at the focal point of the objective lens, and one places the
A beam of monochromatic light is diffracted through a slit of width 0.570 mm. The diffraction pattern forms on a wall 1.60 m beyond the slit. The width of central maximum is around 2.10 mm. Compute
The chain is joined all along the outside radius of the gear at 0.787 m from the axis of rotation. Beginning from rest, the gear takes 1.66 s to reach its rotational speed of 1.01 rev/s. Determine t
When the frequency of the second-longest wavelength is around 50 Hz, determine the frequency of the third-longest wavelength?
The three objects -- two of mass m and one of mass M -- are positioned at three corners of a square of edge length l. Determine the gravitational field g at the fourth corner due to these objects. (