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Which of the following changes will result in a stronger electromagnet? a. using fewer coils of wire b. using a higher voltage c. using a shorter nail d. using a longer wire
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If the radius of curvature of the cornea is 0.75 cm when the eye is focusing on an object 36.0 cm from the cornea vertex and the indexes of refraction are as described before, what is the distance from the cornea vertex to the retina? express your answer to two significant
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Aplane's average speed between two cities is 600 km/h. if the trip takes 2.5 hours, how far does the plane fly?
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Physics, 23.06.2019 08:00
According to piaget’s stages of cognitive development, the child does not differentiate between self and other objects. the child repeats rewarding activities, discovers new ways to get what he or she wants, and may have imaginary friends. which period is described?
Answers: 1
What is the momentum of a 50-kilogram ice skater gliding across the ice at a speed of 2 m/s?...
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