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A stone is thrown downward from the top of a house. It reaches a point 35.60 meter below the top in 2 s. Neglecting air resistances. Find how long does it take to reach a point 110.4 meter below the top?
how long does it take the boat to make a round trip consisting.
a 3,000-kg vehicle collides with a 1,000-kg stationary vehicle. What was the speed of the 3,000-kg vehicle
A series RCL circuit operating at 60.0 Hz contains a 49-? resistor and an 5.0-µF capacitor. what is the inductance of the inductor in this circuit
When the starter motor on a car is engaged, there is a 330A current in the wires between the battery and the motor, What minimum diameter can the wires have if the voltage drop along the wires is to be less than 0.45V
A ray is incident on a sheet of transparent material by parallel sides. The angle of incidence is 60° and the thickness of the sheet is t = 1.40 cm. As the ray passes during the sheet, it is displaced x = 0.650 cm from its original direction of motio..
In a chase scene, a movie stuntman runs horizontally off the flat roof of one building and lands on another roof 2.1m lower. If the gap between the buildings is 4.8m wide, how fast must he run to just barely cross the gap? In other words, what is his..
An archer shoots an arrow toward a 300g target that is sliding in her direction at a speed of 2.50 m/s on a smooth, What is the speed of the arrow after passing through the target
A satellite moves in a circular orbit around Earth at a speed of 4439 m/s. Determine the period of the satellites orbit
The mass per unit length of the cord is 1.24 e-2 kg/m, so the mass of the cord is negligible compared to the mass of block. The cord is being vibrated at a frequency of 167 Hz (vibration source not shown in the drawing).
A 50-kg disk is fired along the positive x axis with a speed of 9 m/s toward a 57-kg disk that is initially at rest. estimate the speed of the 50-kg disk after the collision
The fire department decides to use the burning books to heat water
In Rutherford's famous scattering experiment, α particles (helium nuclei) were fired at 2.0 x 10^7 m/s over a large distance toward a gold nucleus with charge +79e
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