What is the emf amplitude in the secondary
The primary coil of a transformer has 237 turns; the secondary coil has 2100 turns. An alternating current is sent through the primary coil. The emf in the primary is 25 V. What is the emf amplitude in the secondary?
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A certain radioactive isotope placed near a Geiger counter registers 160 counts per second. 32 hours later, the counter registers 10 counts per second. What is the half-life of the isotope?
While mopping the deck, a sailor pushes with a force of 30 N down on the handle of his mop at an angle of 45 to the horizontal. If the mop accelerates horizontally at 1.0 m/s2 and the coefficient of kinetic friction is 0.10, what is the mass of th
A 1.60-m tall person lifts a 2.10-kg book from the ground so it is 2.20 m above the ground. (a) What is the potential energy of the book relative to the ground? Number Units (b) What is the potential energy of the book relative to top of the perso
41.1 min at 37 km/h, and spends 15.4 min along the way eating lunch and buying gas. Determine the average speed for the trip.
A billiard ball collides elastically with an identical stationary one. By looking at the collision in the Center of Mass frame, show that the angle between the resulting trajectories in the lab frame is 90 degrees.
After dropping off supplies it flies to Lake B, which is 170 km at 30.0° west of north from Lake A. Graphically determine the distance and direction from Lake B to the base camp.
A plane inclined at an angle (theta) is covered with dust. An essentially mass-less dustpan on wheels is released from rest and rolls down the plane, gathering up dust. The density of the dust in the path of the dustpan is (sigma) [kg/m]. What is
A crate has the dimensions of 1.0 m x 1.2 m x 0.80 m. If there are 3.28 feet per meter then what is the volume of the crate in cubic feet?
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Provide five (5) reasons why working from a person centred, strengths-based positive framework, and providing positive lifestyle strategies can reduce
Question: Jena and Ben are employees of Big City Electronics. They began to have a consensual sexual relationship.
Question: Identify a true statement about validity as applied to a test. Multiple choice question
What is another way to say ". It is important to ensure that the youth understand what the study involves, what their participation entails
You are a social worker working with foster children. You are making a home visit to Katie, age nine, and her foster family.
Sahir is the most active student in your kindergarten class. He tends to be very disruptive when the teacher you work with is teaching the class,
Bearing in mind that there may be several, choose a social, behavioral, or cultural factor associated with your selected domestic violence