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At the center of a 50-m-diameter circular ice rink, a 78kg skater traveling north at 2.8m/s collides with and holds onto a 61kg skater who had been heading west at 3.4m/s .
How long will it take them to glide to the edge of the rink? (I got 1.96078s, which was Wrong)
Where will they reach it? Give your answer as an angle north of west. ( I tried using tangent, but is it archtan?)
An electroscope has been charged by induction using an ebonite rod rubbed with fur. a charge object is brought close to the top of the electroscope and it was noted that the leaves of the electroscope opened further. identify the charge on the..
What are the strength and direction of an electric field that will balance the weight of a 1.2 g plastic sphere that has been charged to -2.9 nC
Two tuning forks oscillating coherently and in phase at 12000Hz are separated by 0.35m. Calculate the angles of minimum intensity
A bungee cord is stretched between two poles with a force of 393 N. What is the velocity of a wave on this bungee cord
0.45 kg of a metal at 90.°C is added to 0.40 kg of water at 20.0°C. If the final temperature of the mixture is 26.°C, what is the specific heat of the metal
in an ink-jet printer drops of ink are given a certain amount of charge before they move between two large parallel
A typical running track is an oval with 74-m-diameter half circles at each end. What is her centripetal acceleration during the turn
a bird lands on a bare copper wire carrying a current of 15 a. the wire is 8 gauge which means that its cross-sectional
Two resistors of wattage 100 W each is connected in series with a source. Find the total watage of load connected in circuit
A dentist uses a mirror to examine a tooth that is 0.75 cm in front of the mirror. The image of the toothis formed 10.0 cm behind the mirror. Determine the mirror's radius of curvature.
A 200.0 m long thin wire carries a line charge density ! = 358.0 nC/m. Find the potential difference between points 5.0 m and 6.0 m on a perpendicular radius to the axis of the wire, provided the perpendicular radius is not near either end of the ..
Car C and car D are both stopped at the similar intersection. At t=0 sec car C starts to accelerate from rest at a constant acceleration of 1.5 m/s2. Determine how far have the cars travelled when the meet
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