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Problem: A child standing on the edge of a merry-go-round moves quickly to the center.
Part A- What happens to the rotational speed of the merry-go-round? Why?
For some reason I keep getting it wrong I don't know if it's a calculation error. Please show your works so I can see what I'm doing wrong please help!
A man weighing 720 N lies on a bed of nails. Calculate the pressure exerted on the skin by an acupuncture needle of radius 0.100 mm applied with a force of 5.20 N
Two steel guitar strings have the same length. String A has a diameter of 0.59 mm and is under 450.0 N of tension. String B has a diameter of 1.2 mm and is under a tension of 800.0 N. Find the ratio of the wave speeds, va/vb, in these two strings.
King Arthur's knights use a catapult to launch a rock from their vantage point on top of the castle wall, 15 above the moat. The rock is launched at a speed of 26 and an angle of 32 above the horizontal. How far from the castle wall does the launc..
A source emits sound wavesof frequency 200 Hz, which move through still air at 340 m/s. Find the frequency heard by the listener
If there is a section of the hose where the diameter decreases to 1.93 cm, what is the speed of the water in this section
A tiny insect is trapped 1.0 mm from the center of a spherical, As you look straight into the drop, what is the insect's apparent distance from the drop's surface
A steel ball bearing 7.0 mm in diameter is dropped into a cylinder of glycerin. What is the terminal velocity of the ball bearing
an ultrasound device is used to measure blood flow in an artery. an ultrasonic transducer in the probe emits inaudible
a spacecraft in an orbit about earth has speed 10000 ms at a perigee of 7010 km from earths center. what is the speed
A merry-go-round in the park can be considered a circular disk of mass 100 kilogram and a radius of 2.0 meter. Estimate the resulting angular velocity of the merry-go-round
as a fish jumps vertically out of the water assume that only two significant forces act on it an upward force f exerted
A 0.20 kg mass at an angle of 40 degrees and a 0.275 kg mass at an angle of 155 degrees. Determne the net force of the two know masses
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