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A simple pendulum with mass m = 1.5 kg and length L = 2.41 m hangs from the ceiling. It is pulled back to an small angle of θ = 9.2° from the vertical and released at t = 0.
1. What is the angular displacement at t = 3.58s? (give the answer as a negative angle if the angle is to the left of the vertical).
2. What is the magnitude of the radial acceleration as the pendulum passes through the equilibrium point?
Determine and sketch all the external forces acting on the chair. Because the chair can be represented as a point particle of mass , draw the forces with their tails centered on the black dot in the middle of the chair.
A uniform circular ring of charge Q= 7.30 microCoulombs and radius R= 1.10 cm is located in the x-y plane, centered on the origin. What is the magnitude of electric field E at point P, located at z= 2.80 cm.
A person walks 36° north of east for 2.36 km. How far would another person walk due north and due east to arrive at the similar location.
What is the magnitude of the force (in N) the second child must exert to keep the door from moving? Assume friction is negligible.
Find out the object position p for the image to be erect and 7 times the size of the object. Focal length is 46 cm.
At what angle should the road be banked. The charge on the inner shell is 4.59 x 10- 8 C and that on the outer shell is 2.15 x 10- 8 C. Find out the electric field (in N/C) (a) at r = 12.7 cm and (b) at r = 37.3 cm.
The department actually completed 10,000 hours of production. Illustrate what is the appropriate total budget for the department, assuming it uses flexible budgeting?
An 8.m, 220 N uniform ladder rests against a smooth wall. The coefficient of static friction between the ladder and the ground is 0.75, and the ladder makes a 50° angle with the ground. How far up the ladder can an 770 N person climb before the la..
A circuit contains six 240 ohm lamps with 60 W bulbs and a 10 ohm heater connected in parallel. the voltage across the circuit is 120 V. If the circuit has a fuse rated at 12 A, would it melt if everything is on.
A car of mass 2100 kg collides with a truck of mass 4500 kg, and just after the collision the car and truck slide along, stuck together. The car's velocity just before the collision was m/s, and truck's velocity just before the collision was m..
A diffraction grating with groove spacing of 2 microns is used to observe the balmer series in hydrogen, At what angle will the first order cyan line appear
The charges and coordinates of two charged particles held fixed in the xy plane are: q1=6.00 ?C, x1=6.700 cm, y1=4.600 cm, Find the direction and magnitude of the electrostatic force on q2
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