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A specific tower clock identical to Big Ben has an hour hand 2.70 m long having a mass of 56.5 kg and a minute hand 4.10 m long having a mass of 100 kg. Compute the net rotational kinetic energy of
Ethyl alcohol has been added to 200 mL of water in a container which consists of a mass of 150 g when empty. The resultant container and liquid mixture consists of a mass of 490 g. Determine what vo
A steel ball of 4.20 kg hits a wall having a speed of 7.0 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 fo
Write down a brief account of the procedures since this point that encompass directly led to the production of the heavy elements which are contained in the Earth and are necessary to life upon it.
Determine how would you employ the Energy-Interaction model to illustrate that an object thrown vertically upward will encompass the similar speed as it comes down via any point that it had going up
Determine how many beats per second will she hear when she now plays the note A as the tuning fork is sounded?
A carbon-dioxide laser emits infrared light encompassing a wavelength of around 10.6 meu*m. i) Determine the length of a tube which will oscillate in m = 120000 mode? (Give answer in w/ units)
A wave source moves away from you at 7.50 m/s, and the wavelength you compute is 30% more than what you would measure when the source were at rest. Determine the wave speed?
You are standing by the roadside as a truck approaches, and you compute the dominant frequency in the truck noise at 1095 Hz. As the truck passes, the frequency reduces to 905 Hz. Determine the spee
When you use a wrench of length 0.330 m and you apply the force at the end of the wrench at an angle of around 75.0 degrees with respect to a line going from the lug nut via the end of the handle, d
After landing on the new planet, a space explorer builds a simple pendulum of length 47.0 cm. The explorer finds that the pendulum finishes 101 full swing cycles in a time of 126 s. Determine the va
Before jumping on the merry-go-round, the person was moving in the similar direction as the merry-go-round's rim. Determine the final angular speed of the merry-go-round?
As the student pulls his arms inward, his angular speed rises to 3.59 rev/s. Determine how far are the masses from the axis of rotation at this time, considering the masses to be points? Compute th
The coefficient of friction among the sled and the surface is 0.21. Determine the distance the sled has traveled by the time its velocity reached 8 m/s.
A child of 50.6 is standing on the outer edge of the merry-go-round that consists of moment of inertia 558 and radius 2.40. The whole system is primarily rotating at 0.180. Determine the angular vel
A projection lens in a slide projector is a single lens. A slide 24 mm high is to be projected in such a way that its image fills a screen 1.80 m high. The lens to screen distance is 3 m. Find out t
The intensity of the 0 (zero) order fringe is around 2800 and the intensity of first order fringe is 2500, distance to the first order fringe from the 0 order fringe is 0.015 m. Determine the wavele
A block of 3.1 kg is traveling in the -x direction at 5.1 m/s and a 0.9 kg block is traveling in the +x direction at 3.1 m/s. (i) Determine the velocity vcm of the center of mass.
When it passes via a polarizer with its transmission axis at 30^\circ to the vertical, determine the power of the transmitted beam?
A heavy wooden block rests on the flat table and a high-speed bullet is fired horizontally to the block, the bullet stopping in it. Determine how far will the block slide before coming to a stop?
The sodium lamp employed to calibrate a diffraction grating exhibits the first-order sodium line at 26.0 degrees from the central maximum. i) Determine the angular position of the first spectral lin
A specific small car, having a mass of around 920, can accelerate on a level road from rest to 18 (65) in 13.3. By using these data, determine the maximum steepness of a hill.
A red laser of 636 nm is aimed via a 0.127 mm-diameter circular pinhole. In the resultant diffraction pattern, what is the angle from the central maximum to the first dark ring?
When a single person can yell at a level of 80 dB SPL, determine how many yelling people will it take to reach the intensity of 120 db SPL? (Intensity twice with two listeners triples with three li
The Stars in a typical globular cluster orbit at speeds of around 10 km/s, and stars at the outskirts of a globular cluster are around 50 light-years from the center.