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Chip rolls a ball down an incline (without slipping) at the same time Emmanuel slides a frictionless block with the same mass down the incline
A fox locates its prey under the snow by slight sounds rodents make. how long the fox is in the air
What is the needle of a compass attracted to , What is the difference between ferromagnetic and magnetic
a cylinder piston initially contains 5x10^-3 m^3 of helium gas, at a pressure of 1atm and witih a temperature of 50 degrees celcius. how many moles of helium is contained by the cylinder piston
A circular coil of wire with 200 turns and a diameter of 6cm carries a current of 7A. What is the torque on the coil
Drag racing combines the reflexes of the driver with a powerful engine to propel a specially designed car across a quarter mile as quickly as possible. What is the time for the car to go the quarter
A uniform field E = -170000 j N/C exists between two plates of length L = 3 cm. Find the angle at which it emerges
A solid wood door 1.00 m wide and 2.00 m hight is hinged alone one side and has a total mass of 40.0 kg, whats the final angular speed of the door
The equation of a transverse wave on a string is y = (2.0 mm) sin[ (20 m-1)x - (600 s-1)t)]. Find the linear density of this string in grams per meter
A man pushes a lawn mower on a level lawn with a force of 200N. If 40% of this force is directed downward, then how much work is done by the man
Iterates until convergence is reached (the previous guess for the velocities is not significantly different from the current guess and calculates the friction factor for the current guess of velociti
A 1100kg car traveling south at 24 m/s with respect to the ground collides with and attaches to a 2550kg delivery truck traveling east at 16 m/s. Determine the direction of the velocity of the two v
A 4.40-g lead bullet at 32.0°C is fired at a speed of 230 m/s into a large block of ice at 0°C, What quantity of ice melts
The moon is a satellite that orbits the earth at a radius of 3.85 108 m. What is the orbital speed of the moon
On a distant planet, golf is just as popular as it is on earth. On the distant planet, what is the maximum height of the ball
An ideal gas is taken through a quasi-static process described by P = alphaV2, How much work is done on the expanding gas in this process
An object has a kinetic energy of 237 J and a momentum of magnitude 29.3 kg·m/s. Find the speed and the mass of the object
A uniform rod of mass 3.05×10?2kg and length 0.350m rotates in a horizontal plane about a fixed axis through its center, What is the angular speed of the rod after the rings leave it
Two stretched cables both experience the same stress. The first cable has a radius of 3.63 multiply.gif 10-3 m, Determine the stretching force acting on the second cable
A student on a piano stool rotates freely with an angular speed of 3.05 rev/s. Calculate the initial kinetic energy of the system
The femur is a bone in the leg whose minimum cross-sectional area is about 3.60 multiply.gif 10-4 m2. Find the maximum stress that this bone can withstand
A spring is hung from the ceiling. A 0.300-kg block is then attached to the free end of the spring. Find the angular frequency of the block's vibrations
An undersea research chamber is spherical with an external diameter of 3.70m. What is the buoyant force on the chamber
An open-tube mercury manometer is used to measure the pressure in an oxygen tank. The atmospheric pressure is 1020mbar .1 bar = 105 N/m2. Determine the absolute pressure (in Pa) in the tank
A bowling ball encounters a 0.760 m vertical rise on the way back to the ball rack, Find the translational speed at the top