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Three blocks with masses m1=5kg, m2=10kg and m3=7kg are connected by two pieces of very light strings. The system is being pulled by a force P=88N on a frictionless flat surface.
a) Find the acceleration of the system. (Hint: treat all masses together as ONE SYSTEM.[ignore the tension for this part].
b) Find the tensions in both pieces of string.
Two metal rods of equal length-one aluminum, the other stainless steel-are connected in parallel with a temperature of 16.0%u2218C at one end and 126%u2218C at the other end, by what factor does the rate of heat flow change
At rest, a car's horn sounds the note A (440 Hz). The horn is sounded while the car is moving down the street. find Is the cyclist ahead of or behind the car
A cylindrical air capacitor with a length of 15.6m stores an amount of energy equal to 3.30×10?9J, Calculate the ratio of the radii of the inner and outer conductors
In the "World's Strongest Man" competition, one event is to pull a 2370 kg truck for 5 m. What is the least amount of force
What is the wavelength of radio waves. An electron in a TV is accelerated toward the screen across a potential difference of 54.2kV. How much kinetic energy does the electron gain while accelerating.
Asterix and Obelix are standing on skateboards on level ground 2 m apart. Obelix holds a ball of mass 1 kg. in which direction will the center of mass move
During the spin-dry cycle of a washing machine, the motor speeds up from 30 rad/s to 95 rad/s, What is the magnitude of the angular acceleration of the motor
A series RLC circuit consists of a 107 ohm resistor, a 15.0 mH inductor, and a 0.500 nF capacitor. What is the power supplied to the circuit if w =1/2wo
question1a place kicker must kick a football from a point 33.0 m about 36 yd from the goal. as a result of the kick
Multiple-Concept Example 6 provides a review of the concepts that play roles here. What are the input heat and rejected heat
A charge +q is located at the origin, while an identical charge is located on the x axis at x = +0.78 m. Where should the third charge be located
A 4.60 kg block of ice at 0°C is added to an insulated container partially filled with 10.6 kg of water at 15.0°C. Find the mass of the ice that was melted
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