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A scale model of an object (m = 100 kg, A = 35 cm2, V = 40 cm3) is made such that the dimensions of the scale model are 5 times larger than the original object, but the scale model is identical to the object in every other way. What is the mass mmodel in kg of the scale model?
What is the wavelength of sound if it has a wavespeed of 1.36 m/s and a frequency that is 6.69 Hz? (The unit of measure for the wavelength is a meter, which is written m.)
A generator is connected to a resistor and a 0.032-H inductor in series. The rms voltage across the generator is 7.2 V. When the generator frequency is set to 110 Hz, the rms voltage across the inductor is 3.7 V. Determine the resistance of the resis..
A projectile of mass 0.868 kg is shot straight up with an initialspeed of 28.6 m/s. (a) How high would it go ifthere were no air resistance? (b) If theprojectile rises to a maximum height of only 7.53 m, determine themagnitude of the average force du..
Chemical engineers often have to design their synthesis process using a vessel at high pressure. Compute the final temperature of the air after this compression
Two capacitors are connected in series. Let 3.40mF be the capacitance of first capacitor, 5.30mF the capacitance of the second capacitor, and Vab= 57.0 V the potential difference across the system. A)Calculate the charge on each capacitor. B)Calcu..
If you wanted to develop a telescope, what kind of lenses would you use for the objective lens (the lens that collects the light) and the eyepiece? Explain your reasoning. Draw a picture with ray tracing of your setup.
A wheel is spinning at 19 rad/s. Over a period of 50 s it is spinned up to 424 rad/s. Determine its angular acceleration while it was spinning up
a diverging lens f -13.0 cm is located 24.0 cm to the left of a converging lens f 37.0 cm. a 3.80-cm-tall object
A steel sphere 3.0 cm in diamter has a mass of 0.11 kg. What is the mass of a steel sphere 5.0 cm in diameter
A nuclear bomb explosion results in a mass decrease of about between the initial and the final components. How much energy is released? Let the speed of light c = 3.00 x108 m/s.
A converging lens with a focal length of 6.60cm forms an image of a 3.20mm -tall real object that is to the left of the lens. Where are the object and image located
A car approaches the top of a hill that is shaped like a vertical circle with a radius of 51.6 m. What is the fastest speed that the car can go over the hill
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