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A crate on a motorized cart starts from rest and moves with a constant eastward acceleration of a = 2.50m/s^2 . A worker assists the cart by pushing on the crate with a force that is eastward and has magnitude that depends on time according to F(t) = (5.40\;{\rm N/s})t. Part
A What is the instantaneous power supplied by this force at t = 4.20s?
Three concentric uniformly charged isolating shells (hollow spheres) of radii 6cm, 10cm, and 20cm each carry a charge. The smallest shell carries 3nC, the medium 4nC, and the largest shell 5nC. Here, concentric means that all three shells share th..
Find the speed and acceleration of an electron in the first two Bohr orbits of the Li++ Ion. Also find the acceleration of an electron in the first two bohr orbital of the H atom.
A 5 kg ball hangs from the ceiling by a thread. The walls of the room are 5 m apart and they are made of metal, What is the charge on the ball
A large capacitance of 1.20 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
A car rounds a circle of radius 150 m going at 10.5 m/s, What's the car's acceleration if its speed is constant
q1. an antelope moving with constant acceleration covers the distance 79.0 m between two points in time 6.70 s. its
What is the focal length of the contact lenses that will enable him to see distant objects clearly
The pressure on 200 g of nickel is increased from zero pressure to 500 atm. Calculate the work done on the material
In a series RLC circuit, the resistance is 51 O, the capacitance is 39 µF and the inductance is 62 mH. Find the power supplied by the source
A catapult with a radial arm 4.19 m long accelerates a ball of mass 19.1 kg through a quarter circle. The ball leaves the apparatus at 41.6 m/s. Find the net torque exerted on the ball and arm
Find the mass flow rate in through the vent in question #1 using the following well-known relationship for the mass flow into an opening:
A block of mass 5kg is attached to a spring of 3000N/m and compressed a distance of 0.3m. What are the period, frequency, and angular frequency
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