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A car starts from rest and then accelerates uniformly to a linear speed of 14 m/s in 37 s. If the tires have a radius of 24 cm, what are the magnitudes of the average linear acceleration of a tire, the angular acceleration of a tire, the angular displacement of a tire from t = 0 to 37 s, and the total distance traveled by a point on the edge of a tire? (a) the average linear acceleration of a tire (b) the angular acceleration of a tire (c) the angular displacement of a tire from t = 0 to 37 s (d) the total distance traveled by a point on the edge of a tire (Ignore the linear motion.)
You are at a rock concert and find that when you stand 15 m from a speaker, the intensity is so high that it hurts your ears. how far from the speaker should you stand
In astronomy it is common to expose a photographic plate to a particular portion of the night sky for quite some time in order to gather plenty of light. For how long should Matt expose a second plate located 4.1 m from the source
A transformer has input voltage and current of 12 V and 6 A, and an output current of 0.8 A. how many turns are on the primary side
An electromagnet is made by inserting a soft iron core into a solenoid. What is the relative permeability KB of the iron core
What diameter must a copper wire have if its resistance is to be the same as that of an equal length of aluminum wire
a 49N brick is placed in 1m^3 of oil. the volume of the oil raises to 1.025m^3. What are the forces acting on the brick when at rest on the scale at the bottom of the pool? Include their direction
A 1.5 kg object has a velocity of 5j m/s at t=0. It is accelerated at a constant rate for five seconds after which it has a velocity of (6i+12j) m/s
A 3.500 kg puppet oscillates at the end of a light spring of constant k = 8.00 N/m. What is the frequency of the oscillations
A boy shoots a BB gun horizontally at a target 15 m away. The gun is aimed directly at the center of the target, but the small metal BB hits 56 cm lower. avoid any air resistance, what was the initial speed of the BB.
toad make use of resonance in a closed tube to produce very loud sound the tube is its swin bladder used as an amplifier the sound level of the creature has been measured as 71dB calculate the intensity of the sound
A solid disk (mass = 5 kg, R=0.6 m) is rolling across a table with a translational speed of 9 m/s. What is the total kinetic energy of the disk
When a certain 12-V storage battery is charged, a total of 10^5 C degrees is transferred from one set of its electrodes to the other set
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