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What must the diameter of the axle be in order to increase the buckets at a steady 1.65 cm/s if it is turning at 7.8 rpm?
A tuning fork of 440Hz is held above the closed pipe. Determine the spacing between the resonances if the air temperature is 20 degrees C. Compare this spacing to the spacing generated on an open pi
The transverse waves travel with a speed of 20m/s in a string beneath a tension of 6N. Determine what tension is needed to generate a wave speed of 30m/s in the similar string?
A bullet of 3.40 g moves with a speed of 160 m/s perpendicular to the magnetic field of earth of 5.00 x 10-5 T. When the bullet possesses a total charge of 13.5 x 10-9 C, by what distance will it be r
A charged particle having mass 0.0100 kg is subjected to the 4.0 T magnetic field that acts at a right angle to its motion. When the particle moves in the circle of radius 0.10 m at a speed of 5.0 m
White light having wavelengths from 400 nm to 750 nm falls on the grating having 9000 lines/cm. Determine how wide is the first-order spectrum on the screen 2.70 m away?
Supposing no external forces are acting, answer the given: i) Determine the expression for the final velocity w after the collision.
The two charges q1 = 4 µC, q2 = -40 µC, are L = 13 cm apart. A third charge is to be positioned on the line among the two charges. Determine how far from q1 must the third charge be posi
When we define the gravitational potential energy U to be zero for an infinite separation of Earth and satellite, determine the ratio?
The object of mass m is projected with the initial velocity v0 at an angle of To (>p/4), above the horizontal from the bottom of a staircase. When the steps have equivalent height and a width d,
A particle of 3.0 kg having velocity v = (5.0 m/s) - (6.0 m/s) is at x = 3.0 m, y = 8.0 m. It is pulled through a 7.0 N force in the negative x direction. (i) Determine the angular momentum of the p
You point the camera at a distant object and photograph it first at 48mm and then by the camera zoomed out to 126 mm. Compare the sizes of its images on the two photos.
The plates of a spherical capacitor encompass radii 45.8 mm and 50.1 mm. (i) Evaluate the capacitance in pico-farads.
Determine the initial voltage across the capacitor, the initial current in the circuit, the time constant of circuit and what the current in the circuit is after 5.0 s, after the 5.0 s determine the
A parallel-plate capacitor consists of circular plates of 10.2 cm radius and 1.70 mm separation. (i) Compute the capacitance in pico-farads. (ii) What charge in nano-coulombs will appear on the plat
The biggest and smallest slits in the experiment is 0.16mm and 0.04 mm wide, respectively. The wavelength of laser is 650 nm. Determine how many wavelengths wide are such slits?
A typical photovoltaic cell delivers 4.0 × 10-3 Watts of electric energy if illuminated with 0.11 Watts of light energy. Determine the efficiency of the cell?
A car having a net mass of 1.43 x 103 kg consists of wheels of radius 29.0 cm and moment of inertia 0.795 kg • m2. (i) Determine the translational kinetic energy of car if the car is moving at a
A thin copper rod of 1.00 m long consists of a mass of 50.0 g. Determine the minimum current in the rod which would allow it to levitate above the ground in a magnetic field of magnitude of 0.100 T?
A silver wire having resistance of 60 ohm is melted down and the similar volume of silver is employed to make a wire which is 3 times wider than the original wire. Determine the resistance of the ne
When a 120 V circuit is wired to supply current to a tea kettle (600 W), a microwave (900 W), and a toaster (800 W). Determine what size circuit breaker must be used? Show work.
The windings in a heating element on a small heater comprises of 200 m of 22 gauge copper wire. Determine the power dissipated in the heater while it is on and how much would it cost to run this hea
The two blocks of Cu, one of two kg and the other of 1 kg mass are positioned in a well insulated container so no heat can flow in or out of the system. One block is primarily at 100C and the other
A capacitor is placed across a battery and permitted to charge fully. The battery is then detached and the plates of the capacitor are then moved apart (d rises).
A straight rod comprises of a 1.44 cm long piece of aluminum joined to a 2.61 cm long piece of steel. Determine by how much will the length of this rod modify if its temperature is raised from 12&de