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A 0.2kg steel ball is dropped straight down onto a hard horizontal floor and bounces straight up. The ball's speed just before and just after impact with the floor is 10m/s. Determine the magnitude of the impulse delivered to the floor by the steel vessel. i) State formula(s).
Two equally charged insulating balls each weigh 0.40 g and hang from a common point by identical threads 45 cm long. The balls repel each other so that the separation between their centers is 6.6 cm.
accelerates it to the right. It is observed that it takes the box 3.7 seconds to travel 61 meters. Illustrate what is the magnitude of the force?
question1a diver 60 m deep in 10 celcius fresh water exhales a 0.5-cm-diameter bubble.what is bubbles diameter just as
An "energy bar" contains 18g of carbohydrates. If the energy bar was his only fuel, how far could a 68kg person walk at 5km/hr
What is the total negative charge, in coulombs, of all the electrons in a small 1.05g sphere of carbon? One mole of C is 12.0g, and each atom contains 6 protons and 6 electrons.
After a day of testing race cars, you decide to take your own 1420 kg car onto the test track. While moving down the track at 10 m/s, you regularly accelerate to 32m/s in 10 s. What is the average net force that you have applied to car during the ..
An extension cord made of two wires of diameter 0.129cm (no. 16 copper wire), How much power is dissipated in the cord
A car of mass 1054 kg moves NE at 20.12 m/s, and collides with another car of mass 1233 kg moving 27.72 m/s at 20.0° E of S. find The velocity of the heavier car after the collision
Two trains on separate tracks move toward each other. Train 1 has a speed of 129 km/h; train 2 a speed of 75.0 km/h. What is the frequency heard by the engineer on train 1
A gamma-ray photon produces an electron and a positron, each with a kinetic energy of 259keV, Determine the energy of the photon
question1a particle of mass m is attracted towards the origin under an influence of a force fmax3.a find out potential
what is the distance between town and john's current location? Illustrate what is john's current location?
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