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Q1. A solid cylindrical disk has a radius of 0.14 m. It is mounted to an axle that is perpendicular to the circular end of the disk at its center. When a 60-N force is applied tangentially to the disk, perpendicular to the radius, disk acquires an angular acceleration of 158 rad/s2. What is the mass of disk?
Q2. An electron is projected vertically upward with a speed of 1.65x10^6 m/s into a uniform magnetic field of 0.160 T that is directed horizontally away from the observer. What would the radius of the circle be?
What is the flux of Zn moving down the rod? Write down all your assumptions (hint: you will need to look up the density of copper. You do not need to account for the variation in density with alloy composition). Clarify what the boundary conditions w..
Direction of the surface winds What is the expected composition
Obtain a relation between the equilibrium lattice distance
A 100 arrow is shot perpendicularly from a bow whose effective spring constant is 500. If the bow is drawn 75 before shooting the arrow, to what height does arrow rise.
While a roofer is working on a roof that slants at 44.0 above the horizontal, he accidentally nudges his 93.0 toolbox, causing it to start sliding downward, starting from rest.
What is the magnitude and direction of the magnetic field
When two tuning forks of 128 Hz and 149 Hz, respectively, are sounded simultaneously, how various beats per second are heard.
A student pulls a box of books on a smooth horizontal floor with a force of 100 N in a direction of 37 degrees above the horizontal. If the mass of the box and the books is 40 kg, what is the normal force on box? a. 332 N b. 312 N c. 392 N d. 292 N
What magnitude of charge must be given to the drop
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What is the magnitude of the current in the wire as a function of time?
Illustrate the role of the Sun's differential rotation in the formation of sunspots. Explain (briefly) the 22 year solar cycle, stating its essential features. Estimate the y-component of magnetic force.
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