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A 2.40 kg object rotates around along a horizontal circle of radius r=0.720m. The angular velocity of the object is constant and is 4.00 rad/s. Obtain the centripetal acceleration and centripetal force...
Ac=?
Fc=?
What is the acceleration in m/s of a 0.001kg bullet if the force of recoil gives an acceleration of 4.390 m/s? The gun has mass of 0.20 kg.
A horizontal block-spring system with the block on a frictionless surface has total mechanical energy E = 49.2 J and a maximum displacement from equilibrium of 0.280 m.
To stretch a certain spring by 3.00cm from itsequilibrium position requires 9.50J of work, What is the force constant of this spring
Consider a Hydrogen atom with the electron in the n = 8 shell. What is the energy of this system, How many electrons would fit in this main shell
A fan blade rotates with angular velocity given by ?z(t)= ? ? ? t2, where ? = 5.45rad/s and? = 0.835 rad/s3. Calculate the angular acceleration as a function of time
A signal starts at x point. As it travels to y point it loses eight db. At point y the signal is boosted by ten db. As the signal travels to point z it loses 7 db.
A quantity of a gas has an absolute pressure of 400 kPa and an absolute temperature of 110 degrees kelvin. When the temperature of the gas is raised to 235 degrees kelvin, illustrate what is the new pressure of the gas?
In a perfectly inelastic collision, two identical 2kg objects collide head to head. What is the total linear momentum after collision
A diving board oscillates with simple harmonic motion of frequency 2.10 cycles per second what is the highest amplitude with which the end of the board can vibrate in order that a pebble placed there would not lose contact with the board all throu..
Explain the distinction between reimbursement grants and entitlements. Explain how does this distinction affect the way each type of grant is accounted for?
A ball of mass 0.240 grams and positive charge, q =39.3 microC, is suspended on a string of negligible mass in a uniform electric field. We observe that ball hangs at an angle of theta =15.0 o from the vertical. What is the magnitude of electric f..
The two plates of a capacitor hold +2510 uC and -2510 uC of charge, respectively, evaluate the capacitance
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