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1 Physics question
The illustrated pulse travels along the rope towards a metal ring slipped over a pole. It is reflected back along the rope. The rope has a density of 38.1 g/m. The tension in the rope is initially 6878 N. The pulse has a length l = 8.19 cm. The point A on the top is d = 2.02 m from the pole.
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Q1. The tension is increased to 13253 N. What is the length of the pulse now?
Two cars with equal mass collide head on. One car is going 18 mph. That car is push backward about 38 feet. What is the speed of other vehicle.
The anomalous Zeeman effect is studied in an advanced student laboratory. A spectral lamp is filled with the vapor of an unknown atom. What is the energy difference between the levels
Electromagnetic waves of wavelength 0.178 fall on a crystal surface. What is the distance between the crystal planes
A compact car has a mass of 1170kg. What will be the car's oscillation frequency while carrying four 84.0kg passengers
The diameter of a locomotive wheel is 1067 mm when measured at zero degrees Celsius. Calculate the difference in the number of wheel rotations required to travel a distance of 200 kilometres for temperatures of -25 and 35 degrees Celsius. Assume t..
define the magnitude of the external field. The Speed time graph of a particle moving along a fixed direction is shown below. Obtain the distance travelled by the particle between t=0 and t=10s. What is the average of the particle over this interva..
Earth's radius is 6.37 106 m. Illustrate by what percent does the Moon's gravitational pull on you increase?
Assume four protons were at the corners of a square. The length of each side of the square is 1.52 x 10^-9m. If Q1 is on the upper right corner, calculate the magnitude and direction of the resultant force on Q1. What is the gravitational attracti..
A lens appears greenish yellow (λ = 570 nm is strongest) when white light reflects from it. What minimum thickness of coating (n = 1.33) do you consider is used on such a glass (n =1.52) lens? Why?
A rural mail carrier leaves the post o"ce and drives 22.0 km in a northerly direction. She then drives in a direction 60.0! south of east for 47.0 km. What is her displacement from the post office
a 1.0m length of straight wire carries a current of 21 a in a uniform magnetic field of 60 mt whose direction is at an
A magnetic field is directed perpendicular to the plane of a 0.15-m× 0.30-m rectangular coil consisting of 240 loops of wire. To induce an average emf of –2.5 V in the coil, the magnetic field is increased from 0.1 T to 1.8 T during a time interval Δ..
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