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A concrete highway is built of slabs 14m long (20 degrees Celsius). How wide should the expansion cracks between the slabs be
An iron tower in is 307 meters tall on a cold day (T = -8.3 degrees Celsius). What is its height of the tower on a hot day
A submarine dives to a depth of 333 feet in the ocean. What is the force (in pounds) acting on a hatch that has an area of 4 square feet
An object falls off of a pier and into the ocean (sea water) where it displaces a total volume of 3.7 cubic meters of sea water
An object with a height of 5cm is placed in front of a concave mirror that has a focal length of 12cm. where should the object be placed
Explain the physics fundamental process that causes the scope ,rod, pith ball, etc to discharge when you touch it. what is conservative force according to the text book of Giancoli
A 750g aluminum pan is removed from the stove and plunged into a sink filled with 10.0kg of water at 20.0C. What was the initial temperature of the pan
A child applies a torque of 1200 N*M to a merry go round. The rotational interia of the merry go round is 900 kg*m 2. What is the net torque acting on the merry go round
A garden hose is attached to a water faucet on one end and a spray nozzle on the other end. Find the gauge pressure of the water
A water pipe having a 2.2 cm inside diameter carries water into the basement of a house at a speed of 0.85 m/s, What is the water pressure at the second floor
The mass of a bottom quark is \(4.2 GeV/c^{2}\), What was the energy of the proton beam and how fast were they moving
Water is being pumped through a horizontal pipe that is 28.8 m long and 17.0 cm in diameter. what gauge pressure must the pump provide to give the same volume flow rate as for the first pipe
A 75-kg man is riding in a 75-kg cart at 1.0 m/s. He jumps off in such a way as to land on the ground with no horizontal velocity
A 3.00-g bullet traveling horizontally at 413 m/s hits a 28.0-g wooden block, compute The speed of the block after the collision
A candle is held 6.0 cm from the surface of a reflecting ball, and its image appears three-quarters of its actual size. What is the diameter of the ball
An ideal spring is used to fire a 15.0-g block horizontally. The spring has a spring constant of 40 N/m, The kinetic energy of the pellet as it leaves the spring is
The magnetic field inside a 5cm diameter solenoid is 2.0T and decreasing at 4.0 T/s. What is the electric field strength inside the solenoid
A 8000-kg car is traveling at 1.7 m/s along a horizontal road when the brakes are applied. How much kinetic energy does the car lose
A physical pendulum in the form of a planar object moves in simple harmonic motion with a frequency of 0.220 Hz. Determine the moment of inertia of the pendulum
A 3.00kg mass is pushed against a horizontal spring of force constant 23.0N/cm on a frictionless air table. What is the greatest acceleration of the mass
A diffraction grating has 2604 lines per centimeter, and it produces a principal maximum at θ = 30.0 °. What are the wavelengths of the incident light that could have produced this ma
What is the maximum mass of ethyl alcohol you could boil with 1000 J of heat, starting from 15 deg C
Two boys are sliding toward each other on a frictionless, ice-covered parking lot. Jacob, mass 45 kg, is gliding to the right at 7.67 m/s, What is their velocity immediately there after
The position vector of a particle of mass 2.10 kg as a function of time is given by rarrowbold = (6.00 ihatbold + 4.00 t jhat bold), Determine the angular momentum of the particle
A certain species of ionized atoms produces an emission line spectrum according to the Bohr model, Find the next-to-the-longest wavelength in the series of lines