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An unusual spring has a restoring force of magnitude F = (2.0 N/m) x + (1.0 N/m2)x2, where x is the stretch of the spring from its equilibrium length. A 3.00 kg mass is attached to this spring and released from rest after stretching the spring 2.00 m. What is the speed of the mass when the spring returns to its equilibrium length?
A 1600 kg car starts from rest at A, coasts 180m through a dip and comes to stop at B after coasting a distance d on level ground. If the rolling resistance is a constant force of 280N, conclude the distance d.
A clay ball (m=0.82 kg) is thrown at a metal target (M=1.72 kg) that is suspended from a cable. How far above its hanging location does the target swing
A 509-?F capacitor is discharged through a resistor, whereby its potential difference decreases from its initial value of 97.9 V to 22.7 V in 4.99 s. Find the resistance of the resistor in kilohms
At t1 = 5.00 s, the acceleration of a particle moving at constant speed in counterclockwise circular motion is a1=(2m/s^2)i + (9m/s^2)j At t2 = 6.00 s (less than one period later), the acceleration is a2= (9m/s^2)i - (2m/s^2)j The period is more t..
question1find out the potential difference between r2 and r1 at a distance r2gtr1gtr from a very long metal cylinder of
A charged particle moves through a velocity selector at a constant speed in a straight line. Find the charge-to-mass ratio of the particle
Guns on World War II battleships could shell targets 15 km away. Find (a) the minimum launch speed needed to achieve that range and (b) the shell s flight time under these conditions
A 4.00 kg mass is connected to a spring with a spring constant of 9.00 N/m. find the maximum velocity of the simple harmonic motion
The drawings show three charges that have the same magnitude butdifferent signs. In all cases the distance d between the charges isthe same. The magnitude of the charges is , and the distance between themis d = 3.8 mm. Determine the magnitude of t..
Suppose the steel alloy is used for an automobile axle that rotates at an average rotational velocity of 600 revolution per minute (RPM). What is the highest lifetime of continuous driving that are allowable at stress level of 310-MPa.
A 500g ball swings in a vertical circle at the end of a 1.5-m-long string. When the ball is at the bottom of the circle, the tension in the string is 12N
Mrs.T boards plane A and her class boards plane B. The two airplanes leave the airport at the same time. Mrs. T's plane is flying at a heading of 120 degrees and the class plane is traveling at 320 degrees.
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