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Solve the each part of given question:
Question: Kids at a swimming hole swing over the water on a tire swing (essentially a simple pendulum) and then drop in the water. If the tire+kid take 2.1 seconds to swing from the launching point to its farthest point over the water,
Part A: How long will it take the empty tire to return for the next kid?
Part B: How long is the rope?
I need help to find how long it takes the empty tire to return for the next kid.
From the top of a tall building, a gun is fired. The bullet leavesthe gun at a speed of 340 m/s, parallel to the ground. As thedrawing shows, the bullet puts a hole in a window of anotherbuilding and hits the wall that faces the window. Using the ..
One end of a 68-cm-long copper rod with a diameter of 2.4cm is kept at 480?C, and the other is immersed in water at 24?C. Calculate the heat conduction rate along the rod
a bullet of mass 50 g traveling at 400 m/s due north strikes a rock of mass 500 g at rest and ricochets off the rock going due east. How much energy was lost in the collision
The area of a typical eardrum is about 5.0x10?5 m2. What is the sound power (energy per second) incident on the eardrum at the threshold of hearing
Julie throws a ball to her friend Sarah. The ball leaves Julie's hand a distance 1.5 meters above the ground with an initial speed of 19.0 m/s at an angle 48.0 degrees; What is the time the ball is in the air
A 60 kg person jumps from rest off a 5m high tower straight down into the water. find the average force that the water exerts on the diver
You need to design an industrial turntable that is 53.5 centimeter in diameter and has a kinetic energy of 0.270 Joule when turning at 48.5 rpm. Find what must be the moment of inertia of turntable about the rotation axis
A 38 kg, 1.5 meter long wheelbarrow is loaded with 5 kg off lowers ready to be planted. The flowers are located 73 cm from the wheel (fulcrum). How much force is on the wheel? How much force would you need to pull up on the handle to move the wheelba..
An acre, a unit of land measurement still in wide use, has a length of one furlong (1/8) and a width one-tenth of its length. How many square feet are in an acre
When a vertical spring is compressed 5 centimeter, it shoots a ball 50 centimeter straight up into the air. calculate how high would the ball go
A projectile is launched horizontally, to the left, at 50.0m/s off of a cliff that is 80.0 meters tall. Ignore air friction and take g = 10.0 m/s/s (instead of 9.8). Where in the projectile’s motion does it have its minimum speed?
A dolphin leaps out of the water at the angle of 46° above the horizontal. The horizontal component of the dolphin's velocity is 9.40 m/s. Find out the magnitude of the vertical component of velocity.
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