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A wire carrying a current 10A in a direction which makes an angle of 30 degrees with the direction of a magnetic field of strength 0.8T. Determine the magnetic force on a 5m length of the wire?
A possible means for forming an airplane invisible to radar is to coat the plane with the antireflective polymer. When radar waves encompass a wavelength of around 3.00 cm and the index of refractio
Find out the magnitude of the water velocity at this point when the volume flow rate is 0.750 m^3/s? (ii) At second point in the pipe the water velocity consists of a magnitude of 11.0 m/s. Find out
An inductor of 10 mH, 10 ohm resistor, switch and battery of 6-V are all in series. Determine how long after the switch is closed will 95% of the final current be reached and find out the potential
Determine the energy absorbed by your eye throughout that time, supposing that all the photons are absorbed? The net power output of the Sun is around 4.2 x 102 W.
A person is holding a push-up position. Her mass is around 64 kg, her height is 1.6 m and her center of gravity is 1m above her feet. Find out the force applied by each of her hands? Keep in mind th
A space station and a weather satellite are orbiting the Earth. The space station is eight times as far from the Earth’s center as the weather satellite. When the period of revolution of the w
A synchronous orbit around the Earth is obtained if the period of the orbit is similar as the length of the day. When the length of an Earth day is 24 hours and the radius of the Earth is around 6.3
A block begins from rest at a height of 5.0 m and slides down a frictionless incline. If the block reaches the ground, it slides on a rough surface having a coefficient of Kinetic friction µk
At the bottom of ramp, Jim is moving at 9.00 m/s. Jim and his skate-board encompass a mass of 65.0 kg. Determine how much work is done by the friction as the skate-board goes down the ramp?
A parallel-plate capacitor of 2.00-nF is charged to an initial potential difference delta V=100 V and is then isolated. The dielectric material among the plates is mica, having a dielectric constant
A hanging weight of 50 lb is joined to a cord which wraps around a cylinder of 40 lb. The cylinder rolls devoid of slipping UP the 30 degree inclined plane. The radius of the cylinder is around 2 ft
A charge of -2.15 nC and a charge of -6.30 nC are apart through a distance of 80.0 cm. Find the position at which a third charge of +7.60 nC can be placed so that the total electrostatic force on it
A car of 1200 kg is moving at 5.0 m/s East. It hits a car of 1800 kg at rest. The cars encompass an elastic collision and move in the East or West direction. The velocity of the car of 1800 kg after
Determine how long does it take the wave to travel a distance of 8.10 m all along the length of the string?
A wire carries a current of 10 A in a direction which makes an angle of 30 deg. With the direction of a magnetic field of strength 0.3 T. Determine the magnetic force on a 5m length of wire.
A mass of 3.00 kg is positioned at x = 2.0 cm and y = -4.0 cm. A mass of 3.00 kg is positioned at x = -5.0 cm and y = 2.0 cm. A mass of 4.00 kg is positioned at x = -3.0 cm and y = -3.0 cm. Where is
There are two wires with equivalent however opposing currents. The bottom wire is fixed. The top wire is parallel to the bottom one and consists of a mass density of around 1.5 x 10^-3 kg/m. What sh
The magnetic flux via a circuit is decreased from 45Tm2 to 15Tm2 in 0.2s. The current induced in the circuit is around 3.6 mA. Find out the resistance of the circuit?
Given that the focal length of the eyepiece is around 2.5, and the focal length of the objective is 0.47, determine the magnitude of the angle subtended by the red blood cell if observed through the
When an additional 5.0 mJ of energy are supplied to the rotational energy, determine the new angular speed of the ball?
A constant external torque of +57 N•m is exerted to the wheel for 24 s, giving the wheel an angular velocity of +660 rev/min. The external torque is then eliminated, and the wheel comes to res
A cylinder of 2.8 kg, 12 cm radius, primarily at rest, is free to rotate around the axis of the cylinder. A rope of negligible mass is wrapped around it and pulled having a force of 15 N. (i) Deter
A wagon wheel of 0.90 m diameter comprises of a thin rim having a mass of around 8.00 kg and six spokes each encompassing a mass of around 1.20 kg. Find out the moment of inertia of the wagon wheel
A box of 20.0 kg slides up a 12.0 m long incline at an angle of 30.0 degrees with the horizontal. A force of 150 N is exerted to the box to pull it up the incline. The exerted force forms an angle o