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A spring with a spring constant of 110 N/m is stretched by 12 centimeter. Find how much force is applied to the spring to stretch it?
What is the net upward force on an airplane wing of area 26.0 m2 if the speed of air flow is 246 m/s across the top of the wing and 222 m/s across the bottom
An airplane travels at speed of 125 m/s in calm air. The plane wants to undergo a change of displacement delta x= 183 km i. How lond will it take the plane to reach its destination
A mass m is lowered gently onto a vertical spring of length L with spring constant k until it just touches the spring. Let y be the distance the spring is compressed and v be the velocity of the mass. When the mass is released from rest, the equation..
determine a set of non-orthogonal base vectors a j k b i k and c i j.a establish their reciprocal vectors and
A 284-kg motorcycle is accelerating up along a ramp that is inclined 30.0º above the horizontal. Find the magnitude of the motorcycle's acceleration.
Transverse waves with a speed of 42.5 m/s are to be produced on a stretched string. Calculate the wave speed in the string if the tension is 8.00 N
The "wireless" connection used by your laptop computer employs electromagnetic waves with a frequency near 2.4 GHz. What is the approximate size of a dipole antenna for this frequency?
A horizontal beam of electrons initially moving at 4.1 107 m/s is deflected vertically by the vertical electric field between oppositely charged parallel plates.
A solenoid 1.45 m long and3.10 cm in diameter carries a currentof 21.0 A. The magnetic field insidethe solenoid is 17.0 mT. Find the length of the wire forming the solenoid
A bicycle is turned upside down while its owner repairs a flat tire on the rear wheel. determine the magnitude of the average angular acceleration of the wheel
The coefficient of static friction among the floor of a truck and a box resting on it is 0.26. The truck is travelling at 84.1 km/hr. What is the least distance in which the truck can stop and ensure that the box does not slide?
question1a person doing a chin-up weighs 725 n disregarding the weight of the arms. throughout the first 20.0 cm of the
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