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Here is the question which I am struggling on, please help me!
Question: A 0.1 T magnetic field points to the east. What is the force on 5 meters of wire carrying 2A of current at a 45 degree angle to the magnetic field?
Please include each step and the equations you used. Thanks!
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
An engine has an efficiency e1. The engine takes input heat QH from a hot reservoir and delivers work W1. The heat rejected by this engine is used as input heat for a second engine.
A car is parked on a cliff overlooking the ocean on an incline that makes an angle of 17.0° below the horizontal. Find the length of time the car is in the air
A car travels up a hill at a constant speed of 32 km/h and returns down the hill at a constant speed of 73 km/h. compute the average speed for the round trip.
A line in the spectrum of a certain element is a doublet with wavelengths 526.4 and 527.2 nm. Calculate the minimum number of lines needed in a grating that will resolve this doublet in the second-order spectrum.
Suppose a rocket ship in deep space moves with constant acceleration equal to 9.80 m/s2, which gives the illusion of normal gravity during the flight. How far will it travel in so doing
An AC source with Vrms = 15V is connected in series with resistor R = 15?, a capacitor C = 100?F, What is the average power dissipated from the source
A hand-driven grinding wheel is a uniform 62-kg disk with a 41-cm radius. It has a handle of negligible mass 64 cm from the rotation axis. Find the maximum angular velocity of the wheel
Compute the AMA of a ramp used to move a wheelchair bound occupant 4m up if the combined mass of the wheelchair and the occupant is 90kg. the angle of inclination of the ramp is 20 degrees.
The ultraviolet excimer laser used in the PRK technique (see Section 30.9) has a wavelength of 193 nm. What is the minimum number of photons
A person throws a discus (mass = 2 kg) at an angle of 40o to thehorizontal with a velocity of 20 m/s. Neglect air resistance for these questions. Calculate the distance the object travelled horizontally priorto ground contact if the discus was rel..
Estimate the fractional error (%) on the left side and on the right side of the equation based on the precision of the available equipment in class: the pulling mass is measured by slotted weights with precision of 10 gram
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