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An arrow is shot into the air from a 5 foot platform with an initial velocity of 80 ft per second. What does the arrow reach maximum height
A large chunk of metal has a mass of 393 kg, and its volume is measured to be 0.05m^3, Find the metals mass density
A particle starts from the origin at t=0 with a veolicty of 6.0i m/s and moves in the xy plane with a constant acceleration of (-2.0i+ 4.0j). how far is it from the origin
In a television tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.8 105 N/C during the first 5.0 cm of the tube's length, Find the speed of the electrons
A 300KG mass rest at the bottom of a 15 degree incline. Ms=.52 and Mk=.36, How much force is needed to start the mass moving
A narrow beam of light with wavelengths from 450 nm to 700 nm is incident perpendicular to one face of a 32.00 degrees prism made of crown glass
0.20 g of hydrogen gas are held in a rigid container. the temperature of the gas is changed from 50 K to 80 K. How much heat is needed
A pump uses a piston of 15 cm diameter which moves 2 cm/s. What is the fluid velocity of a tube 3mm in diameter
two parallel infinite sheets carry positive unifrom surface charge densities sigma and 3 sigma. what is the magnetude of electrci field between the sheets
A forces of 16.88 N is applied tangentially to a wheel of radius 0.340 m and gives rise to an angular acceleration of 1.20 rad/s^2
A solid disk of radius 1.60 m and mass 2.3 kg rolls without slipping to the bottom of an inclined plane. what is the height of the inclined plane
An object is initially placed on the optical axis 21.2 cm to the left of a convex lens that has a focal length of 12.1 cm. what is the new image distance
A camera has a lens with a focal length of 22.2 cm. When an object is placed 3.55 meters away is being photographed
A 10m long conductor is formed into a circle in the xy-plane. Find the magnetic flux through the looped conductor
The drawing shows two long, straight wires that are suspended from a ceiling. The mass per unit length of each wire is 0.047 kg/m. What is the current in each wire
A mixture of ethyl alcohol (molecular mass = 46.1 u) and water (molecular mass = 18.0 u) contains one mole of molecules. What mass m of water does it contain
A 32.0 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 21.00 m. Calculate the mechanical energy lost due to friction
An object with a mass of 41.0 g is moving uniformly with a velocity of 37.0 m/s along the positive x-axis. What is the velocity of the first particle, in the zero momentum frame, after an elastic coll
A 500-eV electron and a 300-eV electron trapped in a uniform magnetic field move in circular paths in a place perpendicular to the manetic field
A 60.0 g mass is attached to the bottom of a vertical spring and set vibrating. Find the frequency of oscillation
A loudspeaker diaphragm is oscillating in simple harmonic motion with a frequency of 330 Hz, What is the magnitude of the maximum acceleration
When a 47.0-V emf device is placed across two resistors in series, a current of 4.0 A is flowing in each of the resistors. obtain the magnitude of the larger of the two resistances
A Piece of ice of mass mi at 0 C is placed in water of mass mw at 20 C. The system is in a container of negligible heat capacity, what is the equilibrium temperature of the system
A converging lens has a focal lenght of 20cm. determine Where is the image located
A projectile is launched straight up at 59.5 m/s from a height of 76 m, at the edge of a sheer cliff. Find the maximum height of the projectile above the point of firing