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Solve the each part of given problem:
Problem: A 30.0-kg box is being pulled across a carpeted floor by a horizontal force of 230 N, against a friction force of 210 N.
Part I: What is the acceleration of the box?
Part II: Find the x and y components of the acceleration of the box, ax and ay, respectively?
I need help to find the x and y components of the acceleration of the box, ax and ay, respectively.
A 11 kg box must be slid across the floor. what is the minimum force needed to start the box moving from rest
The applied force acts for 5.9 s, during which time the angular speed of the wheel increases from 0 to 12 rad/s. The applied force is then removed, and the wheel comes to rest in 65 s. Illustrate what is the frictional torque?
galileo discovered that something remains unchanged for balls rolling down inclined planes. what remains the same as
what is the coefficient of thermal expansion for a substance that was originally 2 m long at 20 degrees C and expants to 2.0002 m at 40 degrees C
After fixing a flat tire on a bike you give the wheel a spin. Calculate for what length of time did the wheel rotate
A uniform 450N and 7m long ladder rests against a smooth wall making a 30degree angle with wall. A 750 N man can climb up to 2.75m up the ladder before it begins to slip. what is the frictional force on the ladder on the floor
Iron atoms have been detected in the sun's outer atmosphere, somewith many of their electrons stripped away. What is the netelectric charge (in coulombs) of an iron atom with 12 protons and 7electrons?
Design a circuit in which the output voltage leads the input voltage by 30° and the current by 90°. The input voltage is a cosine wave with an angular frequency of ?. You must show (1) the phasor diagram (2) the circuit (3) the relationship betwee..
what is the relative fraction of h atoms that are ionized in stars with surface t5800k and 11300k the atmospheres
A 2.0 kg mass is projected from the edge of the top of a 20mtall building with a velocity of 24m/s at some unknown angle abovethe horizontal. find the kinetic energy of the mass just before it strikes the ground
An athlete has a large lung capacity, 7.0 L. Assuming air to be an ideal gas, how many molecules of air are in the athlete's lungs
A step-down transformer is used for recharging the batteries of portable devices. estimate the rms output voltage of the transformer
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