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An object of 3.6 kg is supported through an aluminum wire of length 2.7 m and diameter 2.3 mm. Determine how much will the wire stretch?
ULF (that is, ultra low frequency) electromagnetic waves, generated in the depths of outer space, have been viewed with wavelengths in surplus of 29 million kilometers. Determine the period of such
A Proche 944 turbo consists of a rated engine power of 217hp. 30% is lost in the drive train and 70% reaches the wheels. The net mass of the car is around 1480 kg and two thirds of the weight is ove
Determine what acceleration will this force generate when the net system is m1 + m2? Deduce your answer by using two significant figures.
i) A He-Ne laser beam (having λ = 632.8 nm in air) is directed via ethyl alcohol. Determine the wavelength and frequency of the light in the alcohol?
What total force is needed to provide the plane an acceleration of 3.9 m/s2 down the runway for takeoffs? Deduce your answer by using two significant figures.
The weights are then exchanged and balance is again obtained 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 person's reaction time is usually not fast enough to let the person to catch a dollar bill dropped between the fingers. When a typical reaction time in this situation is 0.25s, determine how long
A string is wrapped about the middle part so you can pull horizontally (from the middle part top side) with a force T. i) Find out the net frictional force on the spool in terms of T, r and R.
Determine the distance among the first and second dark bands in the interference pattern?
A car of 1120 kg and truck of 4000 Kg experience a perfectly inelastic collision. Before the collision, the car was traveling south-ward at 1.55 m/s and the truck west-ward at around 8.50 m/s. Dete
A beam of light is emitted 8 cm below the surface of a liquid and hits the surface 7 cm from the point directly above the source. When net internal reflection takes place, what can you state regardi
A thin layer of oil having refractive index 1.25 is spread on the surface of water having n =1.33. When the thickness of the oil is around 200 nm then determines the wavelength of visible light in a
A concave spherical mirror makes an inverted image distinct in size from the object through a factor a > 1. The distance among object and image is d. Determine the focal length of the mirror. (Em
Determine what would be the rough size of an ‘atom’ and what would be its ionization energy? Determine at what maximum temperature would be estimated to observe such a state?
A block of 4.0 kg begins from rest on the positive x-axis 6.0m from the origin and after that consists of an acceleration given by a = 4.0i-3.0j in m/s^2. Determine the torque, relative to the origi
The coefficients of friction among A and the incline are μs = .56 and μk = .25. Angle θ is 40 degrees. Assume that the positive direction of an x axis be up the incline. In unit-vector n
The two 10 cm diameter charged disks face one other, 23 cm apart. Both disks are charged to 80 nC. Find out the electric field strength at the mid-point among the two disks? Find out the electric fi
A laser beam in the air is incident on a liquid at an angle of around 38.0 degrees with respect to the normal. The angle of laser beam in the liquid is 27.0 degrees. Find out the liquid's index of r
A block begins at rest and slides down a frictionless track. The acceleration of gravity is around 9.81 m/s^2. It leaves the track horizontally, hitting the ground 4.6 m from the end of the track. (
A wire of 1.62 m long carries a current of 15.7 A and forms an angle of 40.1° with the uniform magnetic field of magnitude B = 1.94 T. Compute the magnetic force on the wire.
A horizontal power line carries a current of around 7020 A from south to north. The magnetic field of Earth (66.0 µT) is directed toward the north and is inclined downward at around 75.0°
At what speed v does the gasoline start to shoot out of the hole? Suppose the pressure outside the tank is 1 atm or 1.01×105 Pa.
An object is made up of a single atomic element weighs 0.9500 N in air and 0.5981 N if fully submerged in water. Compute the density of the object.
A block of wood floats in water having 0.68 of its volume submerged. If placed in oil, the submerged fraction of the volume is 0.92. Determine the density of the wood.