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Q1. When a force of 19.0 N is applied to a spring, it elongates 0.0858 m. find out the period of oscillation of a 4.0 kg object suspended from this spring.
Q2. A 5.00 kg mass on a 1 m long string swings in a circle on the horizontal, frictionless tables at a steady speed of 2 m/s. how much work does the tension in the string do on the mass during one revolution.
What is frequency of the string
How much work is completed on the box by the applied force
At 500°C, the diffusion coefficient of Zn in brass is 4.10-17 m2.s-1. What is the flux of Zn moving down the rod.
Find out the friction force on the box
What is the potential difference
The Saturn's ring has a diameter of about 2.00x10^5km and the distance between the Earth and the Saturn is 1.40x10^9km. Based on your calculation on resolution power, will the ring be visible in telescope.
Estimate the speed of the water just before striking the turbine blades (overlook air resistance).
A boy is attempting to swim directly across a river; he is able to swim at a speed of 0.421 m/s relative to the water. The river is 2.48 m wide and the boy ends up at 4.77 m downstream from his starting point.
What is phase change as the light is reflected from the top
Smoke particles in the air typically have masses of the order of 10 to 16 kg. The Brownian motion (rapid, irregular movement) of these particles, resulting from collisions with air molecules, can be observed with microscope.
Find density of the object
A satellite is in a low circular orbit about the Earth (such as it just skims the surface of the Earth). How long does it take to make one revolution around Earth.
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