Suppose we use optical radiation (? = 500 nm) to determine the position of the electron to within the wavelength of the light. What will be the resulting uncertainty in the electron's velocity?
116 m/s
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Projectile Motion: A projectile is thrown upward at 24° with the vertical and returns to the horizontal ground 12.5 s later with no air drag.(a) How fast was it thrown?(b) How far from its original position did it land?(c) How high above its original position did it go?
What will be an ideal response?
A certain speed boat weighs 4,900 N. It can accelerate from 0 to 20 m/s in 5 seconds. (a) What is the mass of the boat? (b) What is the acceleration? (c) How large is the net force acting on the boat?
What's the fundamental reason that Mars has so little geological activity compared to Earth?
A) its small size compared to Earth B) its large size compared to the Earth C) its farther distance than Earth to the Sun D) its closer distance than Earth to the Sun E) its rapid rotation compared to the Earth F) its slow rotation compared to the Earth
One hundred kg of dry air is humidified by mixing with 1 kg steam at 300C. Determine the partial pressure of the dry air and the steam if the total pressure is 100 kPa.
What will be an ideal response?