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On a vacation flight, you look out the window of the jet and wonder about the forces exerted on the window. Suppose the air outside the window moves with a speed of approximately 142 m/s shortly after takeoff, and that the air inside the plane is at atmospheric pressure. Calculate the pressure difference between the inside and outside of the window.
If the window is 24.7 cm by 43.4 cm calculate the force exerted on the window by air pressure.
A total charge Q = -4.6 x10^-6 C is distributed uniformly over a quarter circle arc of radius a = 7.4 cm, What is the linear charge density along the arc
In 1993, Javier Sotomayor set a world record of 2.45 m in the men's outdoor high jump. He is 193 cm tall, determine his takeoff speed
A 10 m beam of mass 330 kg extends over a ledge. The beam is not attached, but simply rests on surface. A 53 kg student intends to position the beam so that he can walk to the end of it. How far from the edge of the ledge can the beam extend.
What is the maximum speed of the mass. What is the radial acceletation experience by mass while it remains at its max. angular speed.
The maximum transverse acceleration of a point at the middle of the segment is 8800 m/s^2 and the maximum transverse velocity is 3.50m/s.
Assume air resistance is negligible; from what height (in cm) above the compressed spring was the block dropped.
A heat pump has a coefficient of performance of 3.70 and operates with a power consumption of 7.15 103 W. How much energy does it extract from the outside air
A car starts from rest and travels for 8.0 s with a uniform acceleration of +2.4 m/s2. How fast is the car going at the end of the braking period
One mole of oxygen molecules occupies a cubic vessel of side length 10 cm at a temperature of 18 C. Calculate the pressure of the gas on the walls
An automobile has a mass of 1710 kg and a velocity of 23.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2470 kg. What is the velocity of the two cars just after the collision
A series RLC circuit has a peak current of 4A with a frequency of 32kHz, determine the average power of the circuit over one cycle
Two speakers are emitting simple harmonic sound waves of frequency 258 Hz and 256 Hz. Describe the sound heard by a listener
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