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A 34 kilogram kid sits in a swing supported by two chains, each 4.1 meter long. If the tension in each chain at the lowest point is 267 N.
1) Calculate the kid's speed at the lowest point. (Ignore the mass of the seat.) Answer in units of m/s.
2) Calculate the force of the seat on the kid at the lowest point. Answer in units of N.
question1a person lifts a 3.60 kg textbook with a 52.0 n force at a 60 degree angle from the horizontal. sketch a
You ride in a car, driving at a high speed. When the car turnssharply around a corner, you are thrown out of your seat. T
A scalloped hammerhead shark swims at a steady speed of 1.8m/swith its 83 cm-cm-wide head perpendicular to the earth's52 μT magnetic field. What is the magnitude of the emf induced among the two sides of the shark's head?
An isolated conductor of arbitrary shape has a net charge of+1.00×10-5 C. Inside the conductor is acavity within which is a point charge q =+2.50×10-6 C. What is the charge on the cavity wall
At a party, 5.00 kilogram of ice at-4.10°C is added to a cooler holding 30 liters of water at 20.0°C. Evaluate the temperature of the water when it comes to equilibrium
A dentist uses a spherical mirror to examine a tooth. The tooth is 1.06 cm in front of the mirror, and the image is formed 11.4 cm behind the mirror. Determine the mirror's radius of curvature. _____ cm. Determine the magnification of the image.
A pair of slits, separated by 0.200mm, is illuminated by light having a wavelength ofλ = 592 nm. Aninterference pattern is observed on a screen 130 cm from the slits. Consider a point on the screen located at y = 1.90 cmfrom the central maximum of th..
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of 19.0 m/s. With what speed and angle of impact does the stone land
In order to get that pesky pig you launch a bird at an angle large enough to pass over the barrier. The pig is 80m from the launching point and the barrier is 30m from the launching point. What is the initial horizontal speed
A 10 \rm g bullet traveling at 440m/s strikes a 12kg , 1.2-\rm m-wide door at the edge opposite the hinge. The bullet embeds itself in the door, What is the angular velocity of the door just after impact
a parallel-plate capacitor is formed from two 1.0 cm times 1.0 cm electrodes spaced 2.9 mm apart. the electric field
Two gliders are positioned on an air track, M1 and M2. M2 is stationary and M1 is then pushed down the track and collides with M2. They stick together and continue down the track.
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