Physics, 29.06.2020 02:01 angelasequen5656
57. A particle of mass m moves with a constant acceleration a. If the initial position vector and velocity of the parti cle are r, and v, respectively, use energy argument to show that its speed wy at any time satisfies the equation w = w '+ 2a- (-)
Answers: 2
Physics, 22.06.2019 23:40
A2.50 Ć 105 w motor is used for 26.4 s to pull a boat straight toward shore. how far does the boat move toward shore if a force of 4.20 Ć 104 n is applied by the motor?
Answers: 2
Physics, 23.06.2019 00:10
An electromagnetic wave with frequency 65.0 hz travels in aninsulating magnetic material that has dielectric constant 3.64 andrelative permeability 5.18 at this frequency. the electric fieldhas amplitude 7.20 \times 10^{ - 3} {\rm v}/{\rm m}. a. what is the speed of propagation of the wave? b.what is the wavelength of the wave? c.what is the amplitude of the magnetic field? d.what is the intensity of the wave?
Answers: 3
Physics, 23.06.2019 01:30
The ideal gas model is valid if which of the following conditions is true? the gas density is low. the gas density is high. the temperature is low. the temperature is high. the gas density and the temperature are low. the gas density and the temperature are high. the gas density is high and the temperature is low. the gas density is low and the temperature is high.
Answers: 3
57. A particle of mass m moves with a constant acceleration a. If the initial position vector and ve...
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