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A potter's wheel with rotational inertia 6.92kg⋅m2 is rotating freely at 19.3 rpm. The potter drops a lump of clay onto the wheel, where it sticks 48.0 cm from the rotation axis. With the clay on the wheel, the wheel's rotation rate is 17.4 rpm. What is the mass of the clay?
(a) The displacement of a particle (in meter) is given by d= (20+3t^3)(i)+(4t^2-t-15)(j).What is its distance (use polar format) from the origion at t =2.00s.
Shaving/makeup mirrors typically have one flat and one concave (magnifying) surface. What is the focal length of the mirror
A mass m is suspended by a massless spring of spring constant k and unstretched length b. The suspension point has a constant upward acceleration a0. Gravity is acting vertically downward. Find the Lagrangian and Hamiltonian functions and obtain H..
A diffraction grating with 343 lines/mm is 1.00 m in front of a screen. Discuss is the wavelength of light whose first-order maxima will be 13.7 cm from the central maximum on the screen?
A fox fleeing from a hunter encounters a 0.690 m tall fence and attempts to jump it. By how much does the fox clear the fence
Using the information below, calculate the cyclotron period of an electron that is launched into a magnetic field of strength 1 Gauss with a speed 200 m/s.
A horse pulls a crate with a 1,000 N force, causing it to move at constant velocity. What is the acceleration of the cart?
Sodium ions (Na+) move at 0.843 m/s through a bloodstream in the arm of a person standing near a large magnet. what would be the magnetic force on the arm
Dan is gliding on his skateboard at 4.00m/s . He suddenly jumps backward off the skateboard, kicking the skateboard forward at 6.00m/s, How fast is Dan going as his feet hit the ground
A point mass is placed on the tip of a semi-spherical dome of radius R=1, with kinetic friction coefficient p.k=0.3 between the point mass and the dome surface. The particle is given an initial horizontal speed vo. Use Lagrangian method and find t..
A 87.0-kg man is riding an escalator in a shopping mall. What is the work done on the man by the gravitational force
A 34 kg child on a swing 6,9 meters long is released from rest when the swing supports make an angle of 38,9 degrees with the vertical. Neglecting friction, find out the child's speed (m/s) at the lowest position to two decimal places. Use 9,8 m/s..
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