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An ideal monotonic gas is compressed at a constant pressure of 0.9 atm from 18 L to 4.5 L. Note: Atmospheric pressure is 1.013x105 Pa. By how many cubic meters is the volume reduced? What is the work done on the gas? What was the change in the internal energy of the gas? How much heat was added to the gas during the compression?
Assuming that he starts from rest when the rope is horizontal, find out the tensions in the rope that are required to make him follow his circular path at each of the following points.
If the person in the figure lowers his forearm with mass 1.2kg to be 15 degrees below horizontal, how much force must the biceps exert to hold the 500g ball
Now, a second resistor R2 of 3.2x10^5 ? is connected in parallel to the existing resistor in the circuit, and a second capacitor C2 = 4.20 µF is connected to the existing capacitor in parallel. What will be the new time constant
A tennis ball of mass m = 60.0 g and speed v = 25.0 m/s strikes a wall at a 45º angle and rebounds with the same speed at 45º
A 890kg sports car collides into the rear end of a 2500kg SUV stopped at a red light. The bumpers lock, calculates the speed of the sports car at impact
A 3.80-mm-wide bolt is viewed with a9.30-cm-focal-length lens. A normal eye views the image at its near point. Calculate the angular magnification
In an ice show a 45.0 kg skater leaps into the air and is caught by an initially stationary 85.0kg skater. What is their final velocity assuming negligible friction and that the leaper's original horizontal velocity was 4.00 m/s
An airplane is flying in a horizontal circle at a speed of 100 m/s. The 80.0-kg pilot does not want her radial acceleration to exceed 7g. (a) What is the least radius of the circular path? (b) At this radius, what is the force causing the centripe..
You are working for a shipping company. Your coworker is supposed to grab the packages as they arrive at the top of the ramp. But she misses one and it slides back down. What is its speed when it returns to you
A rocket of mass 3.52 × 105 kg is in flight near earth's surface. Its thrust is directed at an angle of 61.0° above the horizontal and has a magnitude of 8.86 × 106 N. estimate the direction of the rocket's acceleration
An explosion occurs at the end of a pier. The sound reaches the other end of the pier by traveling through three media: air, fresh water, how much later do the second and third sounds arrive
A 10-m-long glider with a mass of 780kg(including the passengers) is gliding horizontally through the air at 30m/s when a 70Kg skydiver drops out by releasing his grip on the glider. What is the glider's speed
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