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A chamber sealed with a moveable piston contains 5.50 litres of hydrogen at 28 degrees C and 81.3 kPa.
What would its new volume be at STP?
The ball rebounds straight upward to a height of 0.700 m. Illustrate what are the magnitude and direction of the impulse of the net force applied to the ball during the collision with the floor?
A circular lake 1.0 km in diameter is 10 m deep (see the figure (Figure 1). Solar energy is incident on the lake at an average rate of 200 W/m2. If the lake absorbs all this energy and does not exchange heat with its surroundings, how long will it ta..
a 0.5kg box is sliding with a speed of 6ms on a frictionless level surface toward a spring of force constant k. it hits
An 80 kilogram man is standing in an elevator on a "bathroom scale" which reads weight. The elevator is moving downward at a speed of 3 m/s. find what weight does the man read on the scale
A sample of the radioactive nuclide is prepared that has an initial activity of 7.28×1011 .92.4 after the sample is prepared, What is the half-life of this nuclide
An automobile has 53% of its weight on the front wheel. The front and back wheels are separated by 3 meter. Determine where is the center of gravity located with respect to the front wheels
A series circuit consists of an ac source of variable frequency, a 115 ohm resistor, a 1.25 microfarad capacitor, Find the impedance of this circuit when the angular frequency of the ac source is adjusted to the resonance angular frequency
a 0.135-g spider hangs from the middle of the first thread of its future web. the thread makes an angle of 5.29deg
Light of colors 1 and 2 are sent through a prism and the rays of light of color 2 bend more.
A ball (mass 100g) is recorded to have a speed of 2m/s after falling 5m under gravity. What is the work done by air resistance
a man drives a gar at a speed of 125.5 kmh. the man applies the breaks upon reaching this speed. if the combined mass
A certain organ pipe, open at both ends, produces a fundamental frequency of 252Hz in air. what fundamental frequency f He will it produce
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