Work done by non conservative force of the friction
A person skateboarding departs the top of the hill and consists of a weight of 784N and is traveling at 3m/s. After a 94 m drop her speed is 23m/s. Compute the work done by non conservative force of the friction.
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A lead sinker having mass 225 grams and density of 11.3 g/cm3 is joined to the bottom of a wooden block of mass 25 grams and density 0.5 g/cm3. Compute the apparent weight if both are submerged in water.
A string closed at each end is plucked and the given two standing waves (2nd harmonic and 3rd harmonic) are made. The primary frequency (n = 1) is 60 Hz. Determine the wavelength of the second harmonic (n = 2) and third harmonic (n = 3)
A man on the top of a building throws a ball at 18m/s at a 35 degree angle off a 165' building. Determine how fast the ball is moving if it strikes the ground.
i) Find out the temperature (in C) of the copper-steel interface. ii) Determine how much heat is conducted via 1.00 m2 of the joint sheets per second?
Do you have enough justification to question the integrity of the hiring process given that at least 80% of the population in that community is minority?
Determine this temperature. Suppose that the specific heat of liquid and gaseous aluminum is around1170 J/kgC.
A meter stick is supported on the fulcrum at the 29 cm mark. An object of 0.90 kg is suspended from the zero end of the meter stick, and the stick is balanced horizontally. Determine the mass of the meter stick?
Describe by using illustrations, why seemingly simultaneous events might take place at different times and various places, based on your frame of reference.
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