Start Discovering Solved Questions and Your Course Assignments
TextBooks Included
Active Tutors
Asked Questions
Answered Questions
What is the magnitude of the magnetic flux through this circle due to a uniform magnetic field B = 0.230 T a) in the +z-direction? b) at an angle of 53.1o from the +z-direction? c) in the +y-directi
A dockworker applies a constant horizontal force of 84.0N to a block of ice on a smooth horizontal floor. The frictional force is negligible. The block starts from rest and moves a distance 11.0M in
Find the vertical distance by which the ball clears the wall. Find the distance from the wall to the point on the roof where the ball lands.
If the ball was initially thrown from the street below, (a) what was its initial speed, (b) what altitude does it reach, (c) when does it reach the window, and (d) when does it reach the street agai
The string rotates at an angular speed of 47 rev/s, and its tip has a tangential speed of 54 m/s. What is the length of the rotating spring?
A 200-g block is attached to a horizontal spring and executes simple harmonic motion with a period of 0.250 s. If the total energy of the system is 2.00 J, find
Calculate how much energy this waves delivers to the cell phone antenna for a call of 5 minutes duration. What will be rms value of the electric field associated with the wave whose magnetic field is
A spring with k = 51 N/m hangs vertically next to a ruler. The end of the spring is next to the 15 cm mark on the ruler. If a 1.9 kg mass is now attached to the end of the spring, where will the en
Find the rocket's final speed assuming it moves straight upward near the surface of Earth where the gravitational field g is constant.
A force of 78gm acts at the point (2,3,5) the direction cosines of its line of action being as 2:2:1 find the magnitude of its moment about the joining the origin to the point (2,3,4)?
During a workout, the football players ran up the stadium stairs in 61 s. The stairs are 130 m long and inclined at an angle of 40°. If a typical player has a mass of 115 kg, estimate the averag
A cubic box of volume 5.1E-2 m^3 is filled with air at atmospheric pressure at 20 C. the box is closed and heated to 180 C. What is the net force acting on each side of the box?
A bomb explodes into three pieces. A piece with the mass 4kg flies out with a velocity of 800 m/s downward. The second piece of mass 5kg flies out with a velocity of 700 m/s to the right. If the thi
A hunter wishes to cross a river that is 1.8 km wide and that flows with a speed of 4.7 km/h. The hunter uses a small powerboat thatmoves at a maximum speed of 10.0 km/h with respect to the water. W
A solenoid of radius 1.1 cm produces a magnetic field at its center is 0.28 T. What is the magnetic flux through the center of the solenoid?
A thermally isolated container holds 50 mL of water. A 5 ohm resistor, connected to a 10 V power supply, is placed into the water and the circuit is turned on for 5 minutes. During this time heat ge
Sally applies a horizontal force of 254 N with a rope to drag a wooden crate across a floor with a constant speed. The rope tied to the crate is pulled at an angle of 55? relative to the floor. What
It moves on a circular path that is perpendicular to a uniform magnetic field of magnitude 6.10 10-5 T. Determine the radius of the path?
The loaded cab of an elevator has a mass of 2500 kg and moves 215 m up the shaft in 22 s at constant speed. At what average rate does the force from the cable do work on the cab?
When its coil rotates at a frequency of 258 Hz, a certain generator has a peak emf of 76 V. (a) What is the peak emf of the generator when its coil rotates at a frequency of 46 Hz?
a bottle containting 3kg of water at a temperature of 20 degrees celcius is placed in a refridgerator where the tmperature is kept at 3 degrees celcius. How much heat is transferred from the water t
He has tied 150 cm of string to the handle of the bucket (assume the length of string required to tie it on equals the length of the bucket and its bail) and is swinging it around his head in a circ
A water skier is pulled by a net force of 187 N and has an acceleration of 2.2 m/s2. What is the mass of the skier?
The angle between the support cable and the horizontal is 32°, and the angle between the boom and the horizontal is 48°. Find (a) the tension in the support cable and (b) the magnitude of th