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Question: On a planet far, far away, an astronaut picks up a rock. The rock has a mass of 4.10 kg, and on this particular planet its weight is 40.9n if the astronaut exerts an upward force of 48.5n on the rock,
Question 1: What is its acceleration?
Can someone please explain what the heck is going on?
in a single-slit fraunhofer diffraction pattern which fringe number has a peak intensity that is 0.5 percent of the
a billiard ball moving at 5.60 ms strikes a stationary ball of the same mass. after the collision the first ball moves
Monochromatic light of wavelength 683 nm passes through a fast shutter that opens for 10^(-10) s. The light the emerges will no longer be monochromatic. What will be the spread of the wavelengths?
The uncertainty in the position of an electron along an x axis is given as 56 pm, which is about equal to the radius of a hydrogen atom. What is the least uncertainty in any simultaneous measurement of the momentum component px of this electron?
q1. what are the average velocity and acceleration of the tip of an hour hand of a clock in the interval of noon to
Under some circumstances, a star can collapse into an extremely dense object made mostly of neutrons and called a neutron star. find the angular speed of the neutron star
calculate the minimum possible magnitude u of the muzzle velocity which a projectile must have when fired from point a
A power plant operates at 28.5% efficiency during the summer when the seawater used for cooling is at 20.0°C. what would be the plant's efficiency in the winter
the negative pion is an unstable particle with an average lifetime of 3.30 times10-8 s measured in the rest frame of
A positron is a particle with the same mass and magnitude charge as an electron, but a positron has a positive charge. how fast is the positron moving
A cubical box is 0.82m on a side. What is the volume of the box, as measured by this observer
5 moles of an ideal gas, initially at P=105 Pa and V=3m3, expand adiabatically until the volume is doubled, How much work was done in the adiabatic step
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