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1. A mass-spring system oscillates with period of 0.23 sec. The spring's spring constant k = 450 N/m. What mass is attached to the spring?
2. A 150-gram mass on an ideal spring oscillates 96 times in one minute. If an additional 100 grams is added to the system, what will be the oscillation frequency?
3. A pendulum consists of a 475-gram mass suspended from a light string of length 1.5 m. What is the frequency of oscillation?
4. A 1.9-kg rope of length 5.2 m is stretched tightly between two posts. It is observed that a disturbance induced on one end of the rope takes 0.31 sec to traverse the rope and come back. What is the tension in the rope?
Heat is added to two identical samples of a monatomic ideal gas. In the first sample the heat is added while the volume of the gas is kept constant, By how much does the temperature of this sample increase
A large tank of water is full and has a depth of 10.0 m. What is the pressure at the bottom of the tank
A 60.0-g object is attached to a horizontal spring with a force constant of 15.0 N/m, What is the velocity of the object
The string connecting the m1 and the m2 passes over a light frictionless pulley. Find the downward acceleration of m2 mass.
A steel wire strung between two supports is initially horizontal when there is no tension on it. When a 9.5 kg painting is hung on the wire, the wire makes a 25° angle to the horizontal, as shown. Illustrate what is the diameter of the wire?
A brick has a mass of 1.10 kg. What is the brick's weight at the surface of the Earth, What is the mass of the bucket and water
5 moles of an ideal gas, initially at P=105 Pa and V=3m3, expand adiabatically until the volume is doubled, How much work was done in the adiabatic step
A 130 block on a frictionless table is firmly attached to one end of a spring with = 40. The other end of the spring is anchored to the wall. A 21 ball is thrown horizontally toward the block with a speed of 6.6.
A wire coil is connected to a DC power supply of 12.0 volts. The current in the coil is measured to be 375 mA. What is the resistance of the wire coil
You are pushing a 150-kg wooden crate in a straight line a distance of 4.5 m across a wooden floor. What is the work done by friction on the crate
An airplane is flying with a velocity of 89.0 at an angle of 18.0 above the horizontal. When the plane is the distance 112 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog wo..
(a) Determine the magnitude and direction of the electric field at the location of charge q. (Use k_e for the Coulomb constant and q and a as necessary.) Magnitude Direction ° (counterclockwise from the horizontal) (b) What is the total electric f..
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