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A ball with a mass of 1.6 kg is initially moving toward the east at 5.0 m/s when a constant force of 2.4 N directed toward the west acts on it got 4.0 seconds. What is the initial momentum magnitude and direction of this ball? What net pulse magnitude and direction acts on this ball? What is the velocity of the bell after the force stops?
The driver of a 1800 {rm kg} car travelling on a horizontal road at 100 {rm km}/{rm h} suddenly applies the brakes. Because of a slippery pavement, the friction of the road on the tires of the car, which is what slows down the car, is 20.0% of the..
A closely wound rectangular coil of 100 turns has dimensions of 20.0{\rm cm} by 50.0{\rm cm}. What is the average emf induced in the coil
Water is flowing at 4.00 m/s in a horizontal pipe under a pressure of 225 kPa. The pipe narrows to half its original diameter. Assume laminar non-viscous flow. What is the pressure in the narrow section
A bowling ball encounters a 0.760 meter vertical rise on the way back to the ball rack, Evaluate the translational speed at the top
A ball of clay falls to the ground from a hieght of 15m. itsis in contact with the ground f .020 sec before coming torest. what is the average acceleration of the clay
In the limit of weak damping ( ?/?
assume a block of mass 25.0 kg rests on a horizontal plane, and the coefficient of static friction between the surfaces is 0.220. what is the actual static frictional force that acts on the block if an external force of 25.0 N acts horizontally on..
Monochromatic light of wavelength 500 nm is incident normally on a diffraction grating. how many TOTAL number of maxima can be seen
When the temperature of a coin is raised by 83.1 C°, the coin's diameter increases by 2.60 x 10-5 m. If the original diameter is 1.61 x 10-2 m, find the coefficient of linear expansion.
You have an uncharged capacitor (12 x 10-6 F) and a resistor (1000 ohms) connected to a battery of 200 V at time t=0 (the switch is closed at this time). What is the charge on the capacitor at this time
a spring-loaded cannon aimed at 41 o above the horizontal is on the last car of a long train of flat cars. the train
An ice skater is rotating at 3.4rev/seconds while her arms are beside her. The moment of inertia of the skater is 5kg x m^2. what is her new angular velocity
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