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A stop watch displays time to the nearest 1/100th of a second. what is a reasonable uncertainity for for a measurement made with the stop watch ? briefly explain
Discover the minimum aperture diameter of a camera that can resolve detail on the ground the size of a person (2.0 m) from an SR-71 Blackbird airplane flying at an altitude of 29 km.(Assume light with a wavelength of 440 nm.)
A ball of moist clay falls 17.7 m to the ground. It is in contact with the ground for 15.0 ms before stopping. What is the average acceleration of the ball
A 2.00-kg object moves with constant velocity 3.00 m/s toward the east. Two forces act on the object. The first is a 40.0 N force toward the west. What is the second force that acts on the object
It starts from rest at t = 0, and a line drawn from the center of the disk to a point P on the rim of the disk makes an angle of 57.3° with the positive x-axis at this time. Find out the angular speed of the wheel at t = 2.30 s.
In a television tube, electrons initially at rest are accelerated by a uniform electric field of magnitude 4.8 105 N/C during the first 5.0 cm of the tube's length, Find the speed of the electrons when they hit the screen
1a.if the sun subtends a solid angle omega on the sky and the flux from the sun just above the earths atmosphere
A square loop of wire consisting of a single turn is perpendicular to a uniform magnetic field. What is the flux that passes through the circular loop
You spray your sister with water from a garden hose. The water is supplied to the hose at a rate of 0.105 liters per second, At what speed does the water exit the nozzle
A brick has a mass of 1.10 kg. What is the brick's weight at the surface of the Earth? A bucket of water weighs 48.2 N. What is the mass of the bucket and water?
A roller coaster, loaded with passengers, has a mass of 1500kg; the radius of curvature of the track at the bottom point of thedip is 24 m. what force is exerted on the vehicle by the track
A hydrogen atom is in the 2s state. Determine the principal quantum number and the energy of the state
A 0.075 kg arrow is fired horizontally. The bow string exerts an average force of 65N on the arrow over a distance of 0.90m with what speed does the arrow leave the bow? A 100kg crate is being pulled across a horizontal floor with a force P that make..
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