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Question: Two small bodies of masses 10 kg and 20 kg are kept a distance 1.0 m apart and released, Assuming that only mutual gravitational forces are acting, find the speed of the particles when the separation decreases to 0"5 m.
A brick is initially 10.74 cm high and an aluminum can is initially 10.75 cm high. By how much must their temperatures be raised in order for the brick
A flat bi-metallic strip consists of alluminium riveted to a strip of iron. When heated, the strip will bend. Which metal will be on the outside of the curve? Why?
A long air-core solenoid of 420 turns, length 32 cm anddameter 3.0 cm carries a current 3.0 A at certain time. The current is increasing at a rate of 15 A/s.
A 0.170 kilogram dart is fired straight up. Determine the vertical distance the dart travels from its position when the spring is compressed to its highest position
four point charges are at the corners of a square of side a as shown in the figure below. determine the magnitude and
A ballplayer standing at homeplate hits a baseball that is caught by another player at the same height above the ground from which it was hit. The ball is hit with an initial velocity of 21 m/s at an angle of 54° above horizontal.
determine the cutoff frequency for cesium and its work function.
With respect to the cross-beam system shown in the Figure below, if LB - 4LA, what part of the total load P is carried by beam A? By beam B? Assume that both beams have identical section properties and have the same end conditions.
Describe how Newton's three laws of motion involved in the process of lifting a weight using the high pulley. Consider, too, what would happen if the floor and seat where completely smooth. Is this a process in which momentum and energy are conserved..
The driver of a 1485 kg car is driving along a street at 25.0 mph. Another driver, coming from directly behind, with what combined speed do they begin to skid
A 2.20- bullet embeds itself in a 1.60- block, which is attached to a spring of force constant 780. Find the time for the bullet-block system to come to rest
The mass of a newborn baby's brain has been found to increase by about 1.6 mg per minute. How much does the brain's mass increase in one day
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