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An ideal gas at 13.6 °C and a pressure of 1.41 x 105 Pa occupies a volume of 3.90 m3.
(a) How many moles of gas are present?
(b) If the volume is raised to 5.75 m3 and the temperature raised to 34.4 °C, what will be the pressure of the gas?
An airplane is flying in a horizontal circle at a speed of 520 km/h. If the wings of the plane are tilted 34° to the horizontal, what is the radius of the circle (in m) in which the plane is flying
Transverse waves with a speed of 59.0 m/s are to be produced on a stretched string. A 4.95-m length of string with a total mass of 0.0600 kg is used. Calculate the wave speed in the string
A model rocket engine has an average thrust of 5.26 N. It has an initial mass of 25.9 g, which includes fuel mass of13.4 g. What is the average exhaust speed of the engine
A 1260 kg is pulling a 335 kg trailer. Together the car and trailer have the acceleration of 2.15 m/s squared. Find out the net force on the car-trailer combination.
A 5.50kg mass traveling at 3.5 m/s on a fricktionless tabled suddenly collides, What will be the maximum compression of the spring after the composite collides into it
A string vibrates in five segments to a frequency of 460Hz. (a) what is its fundamental frequency? (b) What frequency will cause it to vibrate in three segments.
A boy flies a kite with the string at a 30 degree angle to the horizontal. The tension in the string is 4.5N. How much work does the string do on the boy
An proton (m = 1.67 ´ 10-27 kg and q = 1.6 ´ 10-19 C) travelling at 2.7 × 105 ms-1 enters a magnetic field of 1.2 T at right angles to the direction of motion of the electron. What is the centripetal force on proton.
A man holds a 190 N ball in his hand, with the forearm horizontal. Find magnitude and direction of the force applied by the upper arm bone to the forearm at the elbow joint
The Hall effect can be used to determine the density of mobile electrons in a conductor. Find the density of mobile electrons in the material
In an amusement park ride, cars are suspended from L = 4.20 m cables attached to rotating arms at a distance of D = 6.06 m from the axis of rotation. What is the angular speed of rotation
A 0.9 inch tall clock is 29 cm in front of a diverging lens which has a focal length of -30 cm, Determine the image distance and height
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