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A car moving 65 mph suddenly breaks andstops after traveling for 50 m. Find:
a) The acceleration of the car.
b) The time it takes for the car to stop.
your optometrist recommends that you purchase reading glasses with a refractive powerof 3 diopters. determine the location of your near point or far point
A parallel-plate capacitor is constructed from two 13cm X 13cm electrodes spaced 0.90mm apart. The capacitor plates are charged to ± 20nC, How much energy is stored in the capacitor
A micrometer is connected to the movable mirror of aninterferometer. When the micrometer is tightened down on athin metal foil, What is thethickness of the foil
A small mailbag is released from a helicopter that is descending steadily at 2.71 m/s. How far is it below the helicopter
in this exercise we will use the principle of angular momentum to eventually derive the moment of inertia integral. for
a 0.1kg ball is attached to a string and whirled around in a circle overhead. the string breaks if the force exceeds
The radius of curvature of a loop-the-loop for a rollercoaster is 10.6 m. At the top of the loop,the force that the seat exerts on a passenger of mass m is0.70mg. Find the speed of theroller coaster at the top of the loop.
The star Alpha goes supernova. Ten years later and 80 ly away, as measured by astronomers in the galaxy, star Beta explodes. what is the time between the explosions
Modeling the optical trap as a Hookean spring, evaluate the trap stiffness using the Boltzmann distribution. Determine the sphere diameter by comparing the Stokes drag and the tweezer force that balances the drag.
A 5.17-g bullet is moving horizontally with a velocity of +340 m/s, where the sign + indicates that it is moving to the right, What is the velocity of the second block after the bullet imbeds itself
A 10.00 kg grocery is pushed 12.0 m along an aisle by a shopper who exerts a constant horizontal force of 40.0 N. a.) What work is done on the cart? b.)If all frictional forces are neglected, and the cart starts form rest, what is the grocery cart..
one mole of an ideal monoatomic gas initially at 300 k is expanded from an initial pressure of 10 atm to a final
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