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Q1. An electron moves with a horizontal velocity of 3*10^6 m/s as it enters a deflector inside a TV tube. The electron strikes the screen after travelling 23 cm horizontally and 32cm vertically upward. What is constant vertical acceleration provided by the deflector?
Q2. A 0.75 m rod with uniform mass distribution runs along the x axis with its left end at the origin. A 1.8 m rod with uniform mass distribution runs along the y axis with its top end at the origin. Find out the coordinates of the center of gravity for this system.
Q3. A spaceship is moving between two planets at a speed of 2.6x10^8m/s. The passengers on the ship measure a time of 40h for the trip. What time would an observer on one of the two planets measure for the similar trip?
A rifle with a barrel length of 56 fires an 8 bullet with a horizontal speed of 350. The bullet strikes a block of wood and penetrates to a depth of 14. (a) What resistive force (assumed to be constant) does the wood exert on the bullet? (b) How long..
An unstrained horizontal spring has a length of 0.34 m and a spring constant of 200 N/m. Two small charged objects are attached to this spring, one at each end, determine the possible algebraic signs
Ocean waves (on a particularly nice summer day) move past at 1.8 waves/s. find the speed of the waves
If the angular magnification of an astronomical telescope is 38 and the diameter of the objective is 66 mm, what is the minimum diameter of the eyepiece
A uniform meter stick is freely pivoted about the 0.20-m mark. If it is allowed to swing in a vertical plane with a small amplitude and friction, what is the frequency of its oscillations
A) What is the Boiling Point (Temperature) of Water?
A geologist finds that a Moon rock whose mass is 10.15 kg has an apparent mass of 5.68 kg when submerged in water. What is the density of the rock
A 3.10-m-long, 340kg steel beam extends horizontally from the point where it has been bolted to the framework of a new building under construction
A 4 kg block is acted upon by three horizontal forces. 10n (to left) 5n(short arrow to right) 25n to right. what is the horizontal acceleration of the block
Glycerine in water diffuses along a horizontal column that has a cross-sectional area of 2.2 cm2. Determine the diffusion coefficient
What is the minimum speed the electron could have after the collision? The allowed energies of a simple atom are 0.0 eV, 5.5eV and 9.0eV
A 65- kg child sits in a swing suspended with 3.4- m-long ropes. The swing is held aside so that the ropes make an angle of 60 o with the vertical
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