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An object attached to a horizontal spring is oscillating back and forth along a frictionless surface. The maximum speed of the object is 1.40 m/s, and its maximum acceleration is 8.16 m/s2. How much time elapses betwen an instant when the object's speed is at a maximum and the next instant when its acceleration is at a maximum?
At a given instant an 55 mH inductor stored an energy of 73 µJ. What is the current in the inductor at this instant
A balloon carrying a basket is descending at a constant velocity of20.0 {\rm m}/{\rm s}. A person in thebasket throws a stone with an initial velocity of 15.0 {\rm m}/{\rm s} horizontally perpendicular to the path of the descending balloon,
The orbit of the moon takes 27.321661 days (you should convert to seconds!) at a radius of 384,748 km, Calcualte the orbital speed of the moon
a block is connected between two springs on a frictionless, horizontally level track. the other end of each spring is respectively anchored to a vertical pin set at opposite ends of the track. what is the spring constant of the other spring
The magnitude of the force of friction acting on the block between A and is 1.2N and points A and B are 0.5 m apart. If the kinectic energies of the block at A and B are 4J and 5.6 J, respectively, how much work is done on the block by the force p..
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the total time the blue car is moving
Suppose that a person singing in the shower is producing1.34 mW of sound power. Some of the soundis reflected from the floor and ceiling. The intensity of this reflected sound at a distance of 3.01 mfrom the source is 4.40 10-6 W/m2.
The space shuttle is in a 200-mile-high orbit. What is the shuttle's orbital period
Two compact sources of sound oscillate in phase with a frequency of 90 Hz where the speed of sound is 340 m/s. What is the amplitude of the resultant wave at that point
A 16.0-m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a 65.0° angle with the horizontal. What is the magnitude and direction
A 1500kg car slams the brakes on, its initial speed is 32m/s, How far does the car skid before stopping
Two masses, m1= 3.32 kg and m2= 5.00 kg are on a horizontal frictionless surface and they are connected together with a rope, What is the acceleration of the whole system, when this maximum force is appiled
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