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Problem: A peg is located a distance h directly below the point of attachment of the cord.
Part A: If h = 0.720 L, what will be the speed of the ball when it reaches the top of its circular path about the peg?
I want help to find the speed of the ball when it reaches the top of its circular path about the peg.
A toy airplane is tied to the ceiling with a string. When the airplane's motor is started, it moves with a constant speed of 1.03m/s in a horizontal circle. If the angle the string makes with the vertical is 27°, and the tension of the string is 1N.
A 500g model rocket is on a cart that is rolling to the right at a speed of 3.0m/s. The rocket engine, At what horizontal distance left of the hoop should you launch
tennis ball of mass 0.4Kg rebounds from a tennis racquet. What was the force experienced by the tennis racquet during it's time in contact with the ball
submarines control their buoyancy using ballast tanks. to sink the tanks can be flooded with water and to rise
We vaporize 5kg of water at 100c. The latent heat of vaporize of water is 2.26x10^6J/kg, find the value of the water's temperature in kelvins
It is said that Galileo discovered a basic principle of the pendulum - that the period is independent of the amplitude - by using his pulse to time the period of swinging lamps in the cathedral, How long is the lamp chain
An undiscovered planet, many lightyears from Earth, has one moon in a periodic orbit. calculate the moon\'s radial acceleration.
ulie 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 11 m/s at an angle 44 degrees; What is the time the ball is in the air
(1) A circular wheel has a radius R = 0.45 + or - 0.02 m. The wheel is observed to be rotating uniformly with period T = 2.00 +or- 0.05 s. (i) Compute the frequency with which the wheel spins (ii) Compute the angular speed of the wheel. (iii) Comp..
A 1000 Hz sound travels through pure oxygen. The wavelength of the sound is measured to be 0.65m. What is the speed of sound in oxygen?
A 14 kilogram box is sliding up a ramp that is elevated at an angle of 15 degree above the horizontal. Evaluate the distance that the box slides along the ramp before coming to a rest
Your friend's 15.2g graduation tassel hangs on a string fromhis rearview mirror. When he accelerates from a stoplight, thetassel deflects backward toward the rear of the car at an angle6.68 degrees relative to the vertical.
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