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The displacement, s, of a particle moving under uniform acceleration, a, is some function of the elapsed time, t, and acceleration, a. Suppose we write this displacement s=ka^mt^n, where k is dimentionless constant. Show by dimension analysis that this expression is satisfied if m=1 and n=2.
What are the velocities of the two people after the snowball is exchanged? Disregard friction between skate and the ice.
A steel wire is used to stretch a spring. An oscillating magnetic field drives the steel wire back and forth. what stretch of the spring produces a standing wave with six nodes
A toy of mass 0.155 kg is undergoing simple harmonic motion (SHM) on the end of a horizontal spring with force constant 305 N/m. What is the maximum speed attained by the object during its motion?
A capacitor with air between its plates is charged to 80 V and then disconnected from the battery. What is the dielectric constant of this glass
The main components of a thermal/steam power plant are: Pump, boiler, steam turbine, condenser and generator. which one operates at higher temperature and pressure
a body of mass 0.1 kg is been rotated in a circular path of diameter 1 m on a frictionless horizontal plane bye means of a string. it performs 10 revolutions in 31.4 sec. calculate the centripetal force acting on the body
Obtain the wavelength in vacuum for blue light, whose frequency is 6.58 1014 Hz
Tim and Rick both can run at speed and walk at speed, with. They set off together on a journey of distance. Rick walks half of the distance and runs the other half. Tim walks half of the time and runs the other half.
A carpenter is driving a nail into a board. The 1.25 kg hammer moves at 8.85 m/s when it strikes the nail. What is the change in length of the nail
A curve of radius 152 m is banked at an angle of 11°. An 722-kg car negotiates the curve at 86 km/h without skidding. avoid the effects of air drag and rolling friction.
An 18 mm wide diffraction grating has rulings of 710 lines per mm. Light is incident normally on the grating. What is the largest angle from the normal at which an intensity maximum is formed
You are making a diffraction grating that is required to separate the two spectral lines in the sodium D doublet, What is the minimum number of lines you should have on the grating
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