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1. A sample of neon gas has its volume doubled and its temperature held constant. What will be the new pressure relative to the initial pressure? _______p1
2. A quantity of steam ( 800 g) at 115oC is condensed, and the resulting water is frozen into ice at 0oC. How much heat was removed? _____kcal
3. A 62 kg student traveling in a car with a constant velocity has a kinetic energy of 2.0 x 10^4 J. What is the speedometer reading of the car in _____km/h
A computer is reading data from a rotating CD-ROM. At a point that is 0.030m from the center of the disk, centripetal acceleration is 120m/s2. What is the centripetal acceleration at a point that is 0.05 m from the center of disc.
a box of textbooks at an unknown mass is set in motion with the intial speed of 0.5 m/s on a loading ramp that makes and angle of 16 degrees with the horizontal. find the normal force on the box
At their closest approach, Venus & Earth are 4.20 x 10^10m apart. The mass of Venus is 4.87 x 10^24 kg, What is the force exerted by Venus on Earth
During 9.93 seconds a motorcyclist changes his velocity from v1,x = -37.3 m/s and v1,y = 14.1 m/s to v2,x =-21.9 m/s and v2,y = 29.3 m/s. Find the components of the motorcycle's average acceleration during this process, aav,x and aav,y.
A flashlight contains two batteries in series each having a potential difference of 1.5V and an internal resistance of 0.2 ohms, How much power does the bulb dissipate
A snowboarder starts from rest and glides down a hill that is 100m high. Assuming no friction, what is her speed at the bottom of the hill
What is the angular speed of the bar at the moment the bug jumps?
A standing wave in a pipe with both ends open has a frequency of 680 Hz. The next higher harmonic has a frequency of 1020 Hz, How long is the pipe
in a game of american football a quarterback takes the ball from the line of scrimmage and runs backwards for 10 yards
After his trip to the U.S., Stephen Fry returns to the UK. To save money, he chose to fly into an airport that is 600 miles from his home, and drive his taxi from the airport to his house. His tank still holds 20 litres. His taxi is a super hybrid..
Three identical blocks connected by ideal strings are being pulled along a horizontal frictionless surface by a horizontal force F_vec The magnitude of the tension in the string between blocks B and C is T = 3.00{\rm N} . Assume that each block ha..
At a certain time a particle had a speed of 84 m/s in the positive x direction, What was the average acceleration of the particle during this 2.7 s intervl
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