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When the temperature of a coin is raised by 87.8 C°, the coin's diameter increases by 2.14 x 10-5 m. If the original diameter is 1.75 x 10-2 m, Discover the coefficient of linear expansion.
The following objects are released simultaneously from rest at the top of a 1.50m long ramp inclined at 3.50? to the horizontal: Which wins the race
An ideal spring is utilized to fire a 15.0 g block horizontally across a frictionless table top. The spring has a spring constant of 20 N/m and is originally compressed by 7 cm. The speed of the block as it leaves the spring is:
A golf club 1.01 m long completes a downswing in .25 s through a range of 180 degrees. What is the tangential acceleration of the end of the club?
Refrigerant-134a enters a compressor at 180 kPa as a saturated vapour with a flow rate of 0.35 m3/min and leaves at 700 kPa. The power supplied to the refrigerant during compression process is 2.35 kW. What is the temperature R-134a at the exit of th..
A coil of inductance 90 mH and unknownresistance and a 0.80 µF capacitorare connected in series with an alternating emf of frequency945 Hz. If the phase constant between theapplied voltage and the current is 75°, what is the resistanceof the coil in ..
A stone is dropped into a well. The sound of the splash is heard2.60 s later. What is the depth of the well
A bullet of mass 10g and speed 500 m/s is fiered into a door and gets embeded exactly at the centre of the door, Calculate the angular speed of the door just after the bullet embeds into it
In the figure R1 = 4.11 ?, R2 = 19.7 ?, and the ideal battery has emf ? = 13.0 V. How much energy is dissipated by all four resistors
Determine the temperature at which the resistance of atungstenwire will bethree timesits value at 20°C. Assume its coefficient of resistivity remains constant.
Find the speed of an electron whose mass is 11,000 times its rest mass. If the electrons travel in the lab through a tube 3.2 km long, how long is this tube in the electron's reference frame?
An oscillator consists of a block attached to a spring (k = 450.0 N/m). At some time t the position (measured from the system's equilibrium location),velocity, What is the mass of the block
In 13.6 s, 220 bullets strike and embed themselves in a wall. What is the average change in momentum per second for the bullets
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