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Q1. A 60 kg circus performer jumps from a 6.2 m height onto a trampoline and stretches it downward 0.36 m. Assume that the trampoline obeys Hooke's law.
a) How far would it stretch if the performer jumps from a height of 7.6 m?
b) How far would the trampoline stretch if performer stands still on it while taking a bow?
Q2. An electric motor rotating a workshop grinding wheel at a rate of 9.00x10^1 rev/min is switched off. Assume the wheel has a constant negative angular acceleration of magnitude 1.80 rad/s2. (a) How long does it take for the grinding wheel to stop? (b) Through how many radians has the wheel turned during the interval found in (a)?
Find out line linking the two point charges
Phonology: All the data for this problem come from a conservative dialect of Vèneto, a Romance language spoken in northern Italy near the city of Padua.
How to find out potential energy
With what tension should a rope with length 3.00m and mass 0.135kg be stretched for transverse waves of frequency 43.0Hz to have a wavelength of 0.720m. What torque does friction exert even as this wheel is slowing down.
Find out ratio of the detector
A string of 13 identical Christmas tree lights are connected in series to a 127 V source. The string dissipates 63 W. What is the comparable resistance of light string.
Assume that a binary star system consists of two stars of equal mass. They are observed to be separated by 310 million kilometres and take 4.0 Earth years to orbit about the point midway between them.
A sphere of radius R is uniformly charged to a total charge of Q. It is made to spin about an axis that passes through its center with an angular speed ω. Find the magnitude of the resulting magnetic field at the center of the sphere.
The Saturn's ring has a diameter of about 2.00x10^5km and the distance between the Earth and the Saturn is 1.40x10^9km. Based on your calculation on resolution power, will the ring be visible in telescope.
Find an angular velocity of the tire at the marker. Find also the linear speed of the point of contact of the tire with the pavement at the marker.
Analyse average density of the white dwarf
What is the reading of spring scale
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