Physics, 20.11.2019 17:31 williamsjako
A3.12×10^5 kg subway train is brought to a stop from a speed of 2.65 miles per hour in 0.453 m by a large spring bumper at the end of its track. what is the force constant k of the spring?
Answers: 3
Physics, 21.06.2019 19:40
Apackage of supplies is dropped from a plane, and one second later a second package is dropped. neglecting air resistance, the relative velocity of the 1st package viewed from the second will 56) a) increase. b) be constant. c) be zero. d) depend upon their weight. e) decrease
Answers: 1
Physics, 23.06.2019 08:30
List and describe three ways that humans can change ecosystems and three ways that humans can protect ecosystems.
Answers: 2
Physics, 23.06.2019 14:30
5volt is supplied to an electrical circuit.if the resistance of the circuit is 2.5ohms ,calculate the current flowing through the circuit.
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Physics, 23.06.2019 16:00
At the point of fission, a nucleus of ^235 u that has 92 protons is divided into two smaller spheres, each of which has 46 protons and a radius of 5.90 x 10 ^-15m. what is the magnitude of the repulsive force pushing these two spheres apart
Answers: 1
A3.12×10^5 kg subway train is brought to a stop from a speed of 2.65 miles per hour in 0.453 m by a...
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