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You are riding your bike on a track which makes a vertical circular loop. The diameter of this loop is 10.0 m, how fast would you have to travel in order to remain in the loop?
Compute the speed of the moon in its orbit around the earth. (Radius of orbit 3.85 x 108 m and mass of moon 7.4 x 1022 kg).
On the surface of Planet Y, which has a mass of 4.83 x 1024 kg, an object has a weight of 50.0 N and a mass of 30.0 kg. Find out the radius of this planet?
At what height above the surface of the earth would a space station require to orbit if its orbital period is 18 hrs?
Find out the co-efficient of friction of an unbanked corner if a truck can navigate the 25.0 m radius corner at a maximum speed of 18 m/s?
A heavy object is dropped. When this object reaches a speed of 3.2 m/s as it hits the floor, from what height was it dropped?
A gymnast is jumping on a trampoline. She applies a force of 1000 N on the trampoline stretching it 1.5 m. If her mass is 45 kg, what height above the trampoline will she reach?
A sled reaches the bottom of a hill where it slows from 18.0m/s to a stop in 25 m. Find out the force of friction if the sled has a mass of 75 kg?
The coefficient of friction between a curling rock and the ice is .04. If the mass of the rock is 18 kg, determine the acceleration of the rock if it has just been discharged by the curler? &n
A pair of figure skaters on frictionless ice pushes off each other. Skater 1 has a mass of 79 kg and accelerates at 2.5m/s2. Skater 2 accelerates at 3.6m/s2, what is her mass?
A plane begins from rest and travels 800m down a runway in 14 seconds. Find out the acceleration of the plane?
A large stone (m = 250kg) is being pulled by two trucks. One truck pulls with a force of 800 N due north, the other pulls with a force of 100 N at 30º E of N. Find out the acceleration of the s
What is the total displacement of the given vectors, 20.5m at 32º E of N and 41m at 70º S of E?
A commercial airliner travels due west for 350 km then turns and travels at 240 km at 35.0o north of west. If this complete trip takes 2.5 hours, find out the velocity of the plane?
State and prove with the help of suitable diagram the sampling theorem.
An analog triangular 1 KHz signal is sampled at 8 kbps. Draw the essential circuit and the output waveform (with timescale), if peak signal amplitude is 4mV.
Describe why the temperature of sunspots is lower than their surroundings. What do you mean by the term butterfly diagram?
List out the rotational symmetry axes in a face centered orthorhombic crystal system.
Can a unit cell in the shape of a pentagon make a two dimension crystal lattice? Describe.
How does the fact that the speed of light is constant lead to relativity of the simultaneity? Describe in around 250 words with the help of an illustration.
A band stop filter attenuates a narrow band of frequencies and permits to pass all other frequency signals. Draw a schematic of a band pass filter made of combination of low and high pass filters.
The sodium lamp used in a physics laboratory gives out light uniformly. Assume that the lamp uses 60 W. Compute the magnitude of electric field.
By using Maxwell’s equations in free space, derive the wave equation for the z-component of the electric field vector.
What is a thermocouple? Describe its working principle. How is it used to measure the temperature? Write down the range of temperature covered by:
A simple harmonic oscillator has amplitude of 0.17 m and a period of 0.84 s. Find out the frequency and the angular frequency of the motion. Write down expressions for the time dependence of displac