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A 461.1N child and a 114N child sit on either end of a 2.9m long seesaw. suppose a 280N child sits .196m from the 461.4N child. how far from the pivot must a 218N child sit to maintain rotational equilibrium? answer in units of m
A certain mass oscillates without friction on the end of a horizontal spring. At time t= 1.20 s, the mass is at position x= 0.120m (measured from the equilibrium location), has velocity of v= 14.5m/s, and is accelerating at a = -98.0m/s^2
A 1.44 kg monkey wrench is pivoted at oneend and allowed to swing as a physical pendulum. The period of itsmotion is 0.860 s, and the pivot is0.290 m from the center of mass of thewrench.
The radius of curvature of the road is R, the banking angle is ?, and the coefficient of static friction is ?s. Determine the range of speeds the car can have without slipping up or down the road
A 70.0kg archer, standing on frictionless ice, shoots a 200g arrow at a speed of 200m/s. What is the recoil speed of the archer
A heat transfer of 9.1 ? 105 J is required to convert a block of ice at -13°C to water at 13°C. What was the mass of the block of ice
Compute the impedance of a series R-L-C circuit at angular frequencies of ?1= 1000rad/s , ?2= 715rad/s and ?3= 545rad/s, What is the phase angle of the source voltage with respect to the current
Two charged particles with different speeds move one at a time through a region of uniform magnetic field. Find the ratio of the speeds
A tuning fork vibrating at 515 Hz falls from rest and accelerates at 9.80 m/s2. How far below the point of release is the tuning fork when waves with a frequency of 484 Hz reach the release point? Take the speed of sound in air to be 340 m/s.
Suppose an initial speed of 21.4 m/s, at an angle of 61.10° with respect to the positive x axis. Find the velocity at time t0; enter x component, after that the y component.
A storage tank at STP contains 19.1 kg of nitrogen What is the volume of the tank. What is the pressure if an additional 15.7kg of nitrogen is added without changing the temperature.
n = 4.64 mol of Hydrogen gas is initially at T = 343 K temperature and pi = 2.01×105 Pa pressure. How much work did the external force perform
A 7.0 k resistor is in series with a 26.0-mH inductor, Calculate the impedance of the circuit for the following source frequencies
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