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A uniform plate of height 1.300m is cut in the form of a parabolic section. The lower boundary of the plate is defined by: y = 0.700 x2. The plate has a mass of 9.99 kg. Discover the moment of inertia of the plate regarding the y-axis.
A spring whose stiffness is 1000 N/m has a relaxed length of 0.49 m. what is the change in the potential energy of the spring
A rectangular sample of a metal is 3.8 cm wide and 600 µm thick. When it carries a 30 Acurrent and is placed in a 0.8 T magnetic field it produces a 6.5µV Hall emf. Detrmine the drift speed of the conduction electrons.
a wheel is spinning clockwise at a 10.0 revolutions per second at t 0. due to friction in the bearings supporting the
an 830-kg race car can drive around an unbanked turn at a maximum speed of 58 ms without slipping. the turn has a
What is the magnitude of the electric field 19.7 cm directly above an isolated 3.25×10^?5 C charge? What is the direction of the electric field? Downward or upward?
A 1260 kg car pushes a 2140 kg truck that has a dead battery. When the driver steps on the accelerator, find the magnitude of the force that the car exerts on the truck?
two objects m1=5.10 kg and m2=3.25 kg connected by light spring passing over a light frictionless pulley. determine the speed of each object when the two pass each other
Consider an electron in a hydrogen atom, which is 0.050 nm from the proton in nucleus. What electric field does the electron experience?
A small immersion heater is rated at 329 W. Compute approximately how long it would take to heat a cup of soup (suppose this is 250 mL of water) from 20°C to 50°C.
A small droplet of oil with mass of 3.49×10-16 kg is held suspended in a region of uniform electric field directed upward with a magnitude of 7125 N/C. How many excess elementary charges reside on the droplet
A cart of mass m1 = 0.500 kg moves with a velocity of 0.900 m/s to the right on a frictionless track. It collides with another cart of mass m2 = 0.500 kg at rest. Car m1 stops and m2 moves in the direction that m1 was traveling. What is the magnitude..
Estimate the spacing between the two irrandiance maxima closest to the geometric of a plain wave illuminated straightedge if the source distance is 10.0 cm and the observation distance is 20.0 cm. Assume wavelength=632.8 nm.
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