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Big Ben, the Parliament Building tower clock in London, has hour and minute hands with lengths of 2.70 m and 4.50 m and masses of 60.0 kg and 100 kg, respectively. Calculate the total angular momentum of these hands about the center point. Treat the hands as long, thin uniform rods.
L = ____
A truck covers 40.0 m in 7.35 s while uniformly slowing down to a final velocity of 3.40 m/s, Find the truck's original speed
Two 3.0 g spheres are suspended by 11.0 cm long light strings. A uniform electric field is applied in the x direction. determine the electric field intensity that enables the spheres to be in equilibrium at ? = 9°
A person walks 34.0? north of east for 4.10 km. Another person walks due north and due east to arrive at the same location. How large is the east component of this second path?
A good model for a radio antenna is a dipole. P1 is on the perpendicular bisector of the dipole, and P2 is along the axis of the dipole in the direction of dipole vector ˆp. P1 and P2 are both a distance 100m from the center of the dipole.
A comet moves about the Sun in an elliptical orbit, with its closest approach to the Sun being about 0.680 AU and its greatest distance from the sun being 38.5 AU. what is its speed when it is farthest from the Sun
A pair of slits, separated by 0.170 mm, is illuminated by light having a wavelength of ? = 624 nm. What is the path difference for the two slits at the location y
A viewing window in the Atlanta aquarium is 58 inches wide and 52 inches high. what is the outward force on the window
Two wires are identical, except that one is aluminum and one is copper. What is the resistance of the copper wire
A charged particle is injected at 135 m/s into a 0.0713-T uniform magnetic magnetic field perpendicularly to the field. What is the charge-to-mass ratio of this particle
A 22 child slides down a 2.4 -high playground slide. She starts from rest, and her speed at the bottom is 1.9 What is the change in thermal energy of the seat of her pants
A woman with a mass of 55.0kg is standing on the rim of a large disk that is rotating at an angular velocity of 0.470rev/s, Calculate the magnitude of the total angular momentum of the woman-plus-disk system
Two charges q = +8.0 µC are fixed a distance d = 9.0 cm apart. You bring a third charge q = +8.0 µC from infinity to C. How much work must you do
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