Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A sealed 62 m3 tank is filled with 6000 moles of ideal oxygen gas (diatomic) at an initial temperature of 270 K. find the mass density of the oxygen gas
a 0.1kg ball moving at 10 m/s collides with a 1 kg block that is initially at rest. Find the ratio of the kinetic energies of the two objects after collision
A hoop and a disk, both of 0.36- m radius and 4.0- kg mass, are released from the top of an inclined plane 3.1 m high and 8.9 m long. What is the speed of the disk
How many atoms are there in a cubic centimeter of a solid and what is the velocity of the motorist relative to the police car and what is the velocity of the police car relative to the motorist?
A uniform disk has a mass of 3.7 kg and a radius of 0.40 m. The disk is mounted on frictionless bearing and is used as a turntable. What is the final angular momentum of the system
An airtight container having a lid with negligible mass and an area of 101 cm2 is partially evacuated. what is the air pressure in the container before it is opened
An iron casting containing a number of cavities weighs 23137.8 N in air and 19020.3 N in water. What is the total volume of all the cavities in the casting
plane flies at 1.13 times the speed of sound. Its sonic boom reaches a man on the ground 0.99 min, What is the altitute of the plane
a 200kg ball is shot from a 2200kg cannon horizontally and positivly at 200m/s. what is the cannons speed, in respect of Earth
A violin string 30.00 cm long and fixed at both ends oscillates in its n = 1 mode. The speed of waves on the string is 280 m/s, What is the wavelength of the emitted sound wave
A solid spherical mass M2 = 30 kg and radius 20 cm is concentric with a spherical shell M1 = 60 kg, determine the gravitational force on mass m
A spherical source radiates sound uniformly in all directions. At a distance of 13 m, the sound intensity level is 80 dB. What power is radiated by this source
In an aluminum pot, 0.15 kg of water at 100 degrees c boils away in four minutes. find the temperature at the aluminum-steel interface
Suppose that an ion source in a mass spectrometer produces doubly ionized gold ions (Au^2+), each with a mass of 3.27 x 10^-25 kg. Determine the radius of the path
Two sinusoidal waves of the same period, with amplitudes of 7.0 and 9.0 mm, What is the phase constant of the other wave
Two blocks of weights 70.0 and 100.0 N are connected by as massless string and slide down an inclined plane making an angle of 42.0 deg. find the magnitude of the heavier block's acceleration
When the displacement in SHM is 0.2 the amplitude A, what fraction of the total energy is kinetic energy, What fraction of total energy is potential energy
Define how Pascal's law addresses the pressure in a fluid at different heights (or depths) before addressing the question and would you apply it in this case
A current of 0.80A flows through a copper wire 0.50mm in diameter, How long is the wire in km
Two forces act on a 100-kg block resting on the floor. The first force, pointing parallel to the floor, What is the magnitude of the net force on the block
If you stand on a bathroom scale, the spring inside the scale compresses 0.40mm, what does the scale read at its peak
In an experiment, 300 g of aluminum (with a specific heat of 900 J/kg·K) at 100°C is mixed with 54.0 g of water (4186 J/kg·K) at 20°C, What is the entropy change of the aluminum
The volume of an ideal gas is adiabatically reduced from a volume of 200 L to a volume of 74.3 L. How many moles are in the gas
Find the gauge pressure at a second point in the line 10.6m lower than the first if the pipe diameter at the second point is twice that at the first
A 100.0 kg box is pushed by a horizontal force F at constant speed up a frictionless ramp which makes an angle of 36.0 deg with the horizontal. Find the magnitude of the applied force