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At the center of a 59-m-diameter circular ice rink, a 77 kg skater traveling north at 2.45 m/s collides with and holds onto a 58 kg skater who had been heading west at 3.62 m/s.
How long will it take them to glide to the edge of the rink?
Where will they rich it? Give your answer as an angle (in degrees) north of west
Both of these particles started at the same point and traveled a half circle. Wouldn't the distance between them be equal to the difference between the two radii? Why is the distance multiplied bytwo in the last step??
point charges q1 q2 and q3 are fixed at the vertices of an equilateral triangle whose sides are 2.40 m long. find the
A proton is located at y=0.06m and has a velocity of 5x10^6 m/s in the +x direction while an electron is located at x=0.08m, What is the magnetic field generated by these two charges at the origin
microtubules are protein filaments that are only 25 nm in diameter. this is smaller than the diffraction limit for
A 1000-kg cart is rolling to the right at 5m/s. A 75-kg man is standing on the right end of the cart. What is the speed of the cart if the man suddenly starts running to the left with a speed of 10.00m/s relative to the cart.
A uniformly charged sphere has a potential of 490 V on it's surface. At a radial distance of .24m from this surface the potential is 120 V. What is the radius of the sphere
Two spaceships approach each other, each moving with the same speed as measured by an observer on the Earth. find the speed of each spaceship as measured on Earth
The minute hand of a wall clock measures 17 cm from its tip to the axis about which it rotates. The magnitude and angle of the displacement vector of the tip are to be determined for three time intervals.
An undersea research chamber is spherical with an external diameter of 5.40 m. The mass of the chamber, when occupied, is 70400 kg. It is anchored to the sea bottom by a cable.
two semiconductor materials have exactly the same properties except that material a has a bandgap of 0.8ev and material
A 0.362 kg bead slides on a curved wire, starting from rest at point A, find the speed of the bead at C
an electric field is constant at every point on a square surface that is 0.80 m on a side. this field has a magnitude
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