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If you run a 600 W blender for 25.0 seconds with .750 kg of water in it, and the water is intially at room temperature, what do you expect the final temperature of the water to be? Note that the specific heat capacity for water is 4180J/kg°C. Room temperature is taken to be 20.0°C. Answer in °C.
A parallel tuned circuit in an oscillator consists of a 40-micro H inductor in parallel with a 330-pF capacitor. A varactor with a capacitance of 50 pF is connected in parallel with the circuit. What is the resonant frequency of the tuned circuit ..
Diffraction also occurs with sound waves. Consider 1400-Hz sound waves diffracted by a door that is 93 cm wide. What is the angle between the two first-order diffraction minima
A grating spectrometer is used to resolve second order peaks from two wavelengths of ?1 = 495.00 nm and ?2 = 495.71 nm. What is the minimum number of slits this grating must have
What is the neA puck (mass m1 = 4.15 kg) slides on a frictionless table, What is the new speed of the puck, What is the change in the kinetic energy of the puck
A block with a mass of 0.700 kg is dropped from a heightd above a spring, which has a spring constant of 400 N/m.The block sticks to the spring and presses it down 0.140 m.
q1. a staging that weighs 440 n supports two painters one 110 n and the other 460 n. the reading in the left scale is
A highway is to be built between two towns, one of which lies 37.0 km south and 49.0 km west of the other. What is the shortest length of highway that can be built between the two towns
A layer of synthetic diamond is grown on a quartz substrate inside a vacuum chamber. What is the thickness t of the thin film of diamond
Three equal positive point charges of magnitude Q = 2.00μ C are located at three corners of a square of edge length d = 2.1 cm. At the position of the negative charge, what is the magnitude of the electric field due to the three positive charges
A diffraction grating with 300 lines per mm is used in an experiment to study the visible spectrum of a gas discharge tube. At what angle from the beam axis will the first order peak occur if the tube emits light with wavelength of 500.7 nm? At what ..
a bicyclist is traveling at a speed of 20m/s as he approaches the bottom of a hill. He decides to coast up the hill and stops upon reaching the top. determine the vertical height of the hill
Arlene is to walk across a high wire strung horizontally between two buildings 11.0 m apart. The sag in the rope when she is at the midpoint is 10.0°. If her mass is 56.0 kg, what is the tension in the rope at this point.
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