Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
A circular coil of wire 8.60 in diameter has 17.0 turns and carries a current of 2.90 . The coil is in a region where the magnetic field is 0.650 . A) What orientation of the coil gives the maximum
Find the location of the center of mass of a nonuniform rod 0.37 m in length if its density varies linearly from 1.07 g/cm at one end to 4.80 g/cm at the other end. Specify the center-of-mass locati
A 60 kg rectangular box, open at the top, has a base dimensions 1.0 m by 0.80 m and depth 0.50 m. a) How deep will it sink in fresh water? Assume the density of water is 1000 kg/m3.
(a) If the current density is uniform, what is its magnitude? (b) What is the drift velocity (in meter per second) of the conduction electrons?
A wire with a resistance of 6.5 O is drawn out through a die so that its new length is 5 times its original length. Find the resistance of the longer wire, assuming that the resistivity and density
Question: What is the angle of refraction of a beam of light that enters the surface of a lake at an angle of incidence of 50°?
A geologist finds that a Moon rock whose mass is 9.28kg has an apparent mass of 6.19kg when submerged in water. determine the density of the rock.
A bottle has a mass of 35.00g when empty and 98.44g. when filled with water. When filled with another fluid , the mass is 88.78g. Determine the specific gravity of the other fluid.
A riveting gun in a shipyard is producing 95 dB of noise. What is the sound intensity level when a second riveting gun begins to operate?
Water circulates throughout a house in a hot-water heating system. If the water is pumped at a speed of 0.50 m/s through a 4.00 cm.diameter pipe in the basement under a pressure of 3.00 atm.
A battery has an emf of 12 V and an internal resistance of 0.16 O. Its terminals are connected to a load resistance of 1 O. Find the power dissipated in the load resistor.
Calculate the initial and final momentum of two colliding objects and demonstrate that the momentum is conserved in a collision between two objects. Compare two quantities by calculating a ratio.
What area must a heating duct have if air moving at 3.00m/s along it can repenish the air every 15 minutes in a room of volume 300m3. Assume the ari's density remains constant. Please show the work.
A 440-Hz tuning fork is held over the open top of a glass test tube held vertically. Water is added to the tube until the air column inside it is in resonance with the vibrations of the tuning fork.
A satellite orbits a planet at a distance of 6.85 108 m. Assume that this distance is between the centers of the planet and the satellite and that the mass of the planet is 3.85 1024 kg. Find the pe
Find the coefficient of friction of the surface. (Assume friction is the only horizontal force. Show a force diagram and write down he equations for Newton's second law.)
A resistor of 8 ohms, a resistor of 14 ohms, and a resistor of 24 ohms are connected in parallel to an battery of unknown voltage. If the power dissipated by the 14 ohm resistor is 27 Watts, what is
A few lightbulbs are connected in parallel to a battery of 15.3 volts. With all the lightbulbs the power output of the battery is 100 Watts. One of the bulbs goes out and the the power output of the
A tank with a volume of 0.150 m3 contains 27.0oC helium gas at a pressure of 100atm. How many balloons can be blown up if each filled balloon is a sphere 30.0 cm in diameter at 27oC and absolute pre
A 450 g damp shirt rotates against the wall of a washing machine at 320 rpm. The diameter of the rotating drum is 70 cm. What is the magnitude and direction of the resultant force on the shirt?
A large spherical balloon of a diameter 12 m has hot air at 1 atm and 60 oC. Calculate the maximum weight the balloon can lift, (molecular weight of air is 29). The outside air temperature is 25oC.
The temperature of the earth's atmosphere drops about 5°C for every 1000 m of elevation above the earth's surface. If the air temperature at ground level is 15°C and the pressure is 760 mmHg
What is the average power supplied by the tree, if evaporation occurs only during 12 h of day light?( Hint first how much energy must be supplied)
a) What mechanical energy is dissipated by the frictional force in stopping the block? b) What was the maximum kinetic energy of the block? c) Through what distance was the spring compressed?
A 1.52-kg block accelerates uniformly from rest to a speed of 13.8m/s in 1.86s a) How much work was done on the block ? b) What average power was used? c) What force was applied to the block?