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Juggles the clown stands on one end of a teeter-totter at rest on the ground. Bangles the clown jumps off a platform 2.4 m above the ground and lands on the other end of the teeter-totter, launching Juggles into the air. Juggles rises to a height of 3.2 m above the ground, at which point he has the same amount of gravitational potential energy as Bangles had before he jumped, assuming both potential energies are measured using the ground as the reference level. Bangles' mass is 73 kg. What is Juggles' mass?
in 17.69 seconds you compress a spring of spring constant 153.33 N/m from its equilibrium length of 6.5 cm to a length of 18.16 cm. What is your average power
An electron is released from rest1.5cm from an infinite charged plane. It accelerates toward the plane and collides with a speed of3.0107m/s. What is the surface charge density of the plane
A pair of slits, separated by 0.160 mm, is illuminated by light having a wavelength of ? = 554 nm. An interference pattern is observed on a screen 144 cm from the slits. Consider a point on the screen located at y = 1.80 cm from the central maximu..
A stone has a mass of 6.00 x10-3 kg and is wedged into the tread of an automobile tire. The coefficient of static friction between the stone and each side of the tread channel is 0.84.
An unmarked police car travelling a constant 85 km/h is passed by a speeder. Precisely 2 s after the speeder passes, police officer steps on the accelerator.
A cart slides down a frictionless inclined track to a circular loop of radius R = 6 m. How high h above the top of the loop must the cart be released
A person notices a mild shock if the current along a path through the thumb and index finger exceeds 80 μA. Find the maximum allowable potential difference without shock across the thumb and index finger for a dry-skin resistance of 4 x 10^5 Ω.
A piano tuner plays an out of tune A note on his piano and then strikes his 440 Hz tuning fork. What was the frequency of the note before he loosened the string
A chipmunk scampers about collecting in its cheeks safflower seeds that the birds dropped from the feeder hanging overhead. Initially the little creature is at position vector r1x = 2.45 m and r1y = -2.13 m. After filling up, it runs to the hole a..
The speed of an ion in a particle accelerator is doubled from 0.400c to 0.800c. Determine the final relativistic momentum of the ion
A gas is enclosed in a cylinder fitted with a light frictionless piston and maintained at atmospheric pressure, evaluate the change in internal energy of the gas
A small statue is recovered in an archaeological dig. Its weight is measured to be 2.1 lb and its volume 0.06 ft3, What is the statue's weight density
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