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The initial velocity of a 2.28 kg block sliding down a frictionless inclined plane is found to be 1.11 m/s. Then 1.59 s later, it has a velocity of 6.75 m/s.
What is the angle of the plane with respect to the horizontal?
A bullet of mass 0.018kg traveling horizontally at a high speed of 290m/s embeds itself in a block of mass 4 kg that is sitting at rest on a nearly frictionless surface.
A cylinder with a moveable piston contains 178 mL of nitrogen gas at a pressure of 1.22 atm and the temperature of 298 K. What should the final volume be for the pressure of the gas to be 1.52 atm at a temperature of 335 K.
A box slides down a 36° ramp with an acceleration of 1.26 m/s2. find the coefficient of kinetic friction between the box and the ramp.
A) Find v so that the rod swings up and is horizontal at the max height of the bob. B) Find the minimum v so that the rod will make a complete circle C) Find v so that the tension in the rod is zero at the top of its swing.
At one instant, a mass (m = 2 kg) is at the location m and attached to one end of a spring with a spring constant ks = 60 N/m and a relaxed length L0 = 0.22 m. The origin is placed where the other end of the spring attaches to the ceiling.
How many kilograms of water at 100 degrees Celsius can be converted to steam by the addition of 1.13X10^7 joules of thermal energy.
The length of an air column that produces a strong resonance in a cylinder is 0.18m, what is the frequency of the tuning fork being used .
A street lamp weighs 152N. It is supported equally by two wires that form the angle of 120° with each other. What is the tension of each of these wires.
The infamous chicken is dashing toward home plate with a speed of 5.80 while he decides to hit the dirt. The chicken slides for 1.1, just reaching the plate as he stops (safe, of course).
A rectangular container measuring 26 cm 47 cm 59 cm is filled with water. What is the mass of this volume of water in kilograms and grams.
A brick is thrown upward from the top of a building at an angle of 45° to the horizontal and with an initial speed of 10 m/s. If the brick is in flight for 2.8 s, how tall is the building.
Given that the weight of dry sandstone sample in air is 20.0g, the weight of saturated sample in air is 22.5g, What is the bulk volume of this sample and what is its porosity
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