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Compute all parts of following question:
Question: Emma and Neal are following a path through the forest. They start at the large oak tree and walk 50m in a direction 30 degrees north of east then 40 m directly north.
Part A: Sketch the path Emma and Neal take as two vectors.
Part B: Express each of these vectors in component form.
Part C: Determine how far they are from the oak tree when they stop?
I need help to find how far they are from the oak tree when they stop.
A compact fluorescent light bulb (CFL) consuming 9 W electricity produces the same light output from a 40 W incandescent light bulb (incandescent light bulbs will be banned soon in Canada due to their low efficiency for producing light).
A small metal bead, labelled A, has a charge of 29 nC. It is touched to metal bead B, initially neutral, so that the two beads share the 29 nC charge, but not of necessity evenly. When the two beads are then placed 5.0 {rm cm} apart, the force betwee..
A scuba diver has an air tank with a volume of 0.0200m3 . The air in the tank is initially at a pressure of 1.00 x 107Pa. Suppose that the diver breathes 0.300L/s of air. Note diver is in fresh water. Discover how long the tank will last a depth of 1..
A man walking on a tightrope carries a long a pole which has heavy items attached to the two ends. what difference would it make to his balance
A boy pulls a 20-kg box by a 50N force at 37 degrees above a horizontal surface. The coefficient of kinetic friction among the box and the horizontal surface is 0.15, and the box is pulled over a distance of 25m. a) What is the work done by the boy? ..
A satellite with a mass of 310 kg moves in a circular orbit 3.00 107 m above the Earth's surface. What is the gravitational force on the satellite
Which pulls harder gravitationally, the Earth on the Moon, or the Moon on the Earth? Which accelerates more? Explain your answers in terms of relevant principles of physics.
For the known values of the Earth such that RE = 6.37×106m and ME = 5.97×1024kg, find the height that the satellite is orbiting above the surface
q1. an important news announcement is trans- mitted by radio waves to people who are 122 km away sitting next to their
Do sound waves exhibit diffraction effects? If so, determine the "slit" width that would diffract an audible sound wave (frequency between 20 Hz and 20 kHz). Would a doorway work or do you need a different sized opening?
In a physics demonstration, a stationary mass m1 = 0.20kg slides down a frictionless ramp and then collides with a second mass m2 = 0.40 kg. Find the height needed if you reverse the masses
Three particles, each with charge -q, are located at the vertices of an equilateral triangle and one particle of charge +q is located at its center. How much work does it take to assemble this configuration
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