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1). A large chunk of metal has a mass of 393 kg, and its volume is measured to be 0.0500 m3.
(i). Find the metal's mass density and weight density in SI unit.
ii). What kind of metal is this?
(2). Will the mass density of metal be different on the moon than it is on Earth? What about the weight density? Please explain the answer.
A 30.0-kg child sits on one end of a long uniform beam having a mass of 20.0 kg, and a 40-kg child sits on the other end. How long is the beam
Using vectors, find the area of a triangle formed by the points P(1, 1, 1), Q(3, 2, 5), and S(5, 7, 9).
1. A band-pass filter has fC1 = 5kHz and fC2 = 88kHz. Calculate Bandwidth (BW) and center frequency (fo) for this filter.
A toy train is pushed forward and released at xi = 1.60 m with a speed of 2.60 m/s. It rolls at a steady speed for 1.30 s, and then one wheel begins to stick. The train comes to a stop 6m from its starting point. What is the train's acceleration a..
A particular heat engine has a useful power output of 5.80 kW and an efficiency of 21.0%. In each cycle, the engine expels 8450 J of exhaust energy.
An electric motor rotating a workshop grinding wheel at a rate of 8.20 101 rev/min is switched off. Through how many radians has the wheel turned during the interval found in (a)
At a certain point in space there is an electric field E = (0.40 i + 0.60 j) x 1011 N/C. (Items in bold are vectors.) Discover the force on a particle of charge of -3.70 nC when it is placed at the point.
If the outside air has a dry bulb temperature of 90 degrees F and a relative humidity of 40%, what is the lowest temperature that the producer
three point charges lie along a straight line as shown in the figure below where q1 5.76 microc q2 1.44 microc and q3
An aluminum sphere is 5.50 cm in radius. What is its volume expansion coefficient if it increases in volume 2.00 cm3 when heated from 100 oC to 151oC
A 150 kg elevator carries a 35 kg passenger. If the elevator accelerates upward at 1.2 m/s2, what is the tension in the elevator cable
A car slows down with an acceleration that has a magnitude of 3.5 m/s2, What was the car's initial velocity
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