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A sinusoidal traveling water wave has a wavelength of 25 cm and a frequency of 0.60 Hz. What are k and w for this wave? What is the phase speed of this wave?
A 4 kg hammer is accelerated at 4m/s^2 before striking a nail for 1.6 sec find the force of the hammer
There are two capacitors of capacitance 5.0uF and 8.0uF are connected in series. Find the equivalent capacitance of the network and the charge on each plate of the capacitors
In a head-on collision, the car stops in 0.23 {rm s} from a speed of 17 {rm m}/{rm s}. The driver has a mass of 77 {rm kg}, and is, fortunately, tightly strapped into his seat. What force is applied to the driver by his seat belt during that fract..
An insulated Thermos contains 119 cm3 of hot coffee at 64 °C. You put a 12g ice cube at its melting point to cool the coffee. By how a lot of degrees have your coffee cooled once the ice has melted and equilibrium is reached.
A large wheel is coupled to a wheel with half the diameter. How does the rotational speed of the smaller wheel compare with that of larger wheel? How do the tangential speeds at the rims compare (assuming the belt doesn't slip).
Starting from rest with an acceleration of 0.37 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ramp is moving?
A rectangular container measuring 24 cm 48 cm 55 cm is filled with water. What is the mass of volume of water in kilograms.
Derive a formula for the maximum speed vmax of a simple pendulum bob in terms of g, the length L
A bartender slides a beer mug at 1.30 m/s towards a customer at the end of a frictionless bar that is 2.0m tall. The customer makes a grab for the mug and misses, and the mug sails off the end of the bar.
A 188.0 g piece of lead is heated to 81.0oC and then dropped into a calorimeter containing 692.0 g of water that initally is at 21.0oC.
A copper laboratory tank has a diameter of 0.48 m at 20degree celcius. what would be the new diameter if the tank is filled with 80degree celcius alcohol.
A tuning fork vibrating at 666 Hz falls from rest and accelerates at 9.8 m/s 2. How far below point of release is the tuning fork when waves of frequency 626.4 Hz reach the release point? The speed of sound in air is 339 m/s.
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