Physics, 30.08.2019 09:00 zeesharpe05
For the chemical reaction c2h6 --> c2h4 + h2 + 137kj, the chemical energy of the a. reactant and the chemical energy of the products are equal. b. reaction cannot be calculated. c. reactant is greater than the chemical energy of the products. d. products is greater than the chemical energy of the reactant.
Answers: 2
Physics, 21.06.2019 15:50, Sbudah2937
Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. the electric field at a point p, which is 0.50 m from the center of the sphere, is 15,000 n/c and is directed radially outward. what is the maximum magnitude of the electric field due to this sphere
Answers: 2
Physics, 22.06.2019 06:00, tylorroundy
Aball is thrown upward. at a height of 10 meters above the ground, the ball has a potential energy of 50 joules (with the potential energy equal to zero at ground level) and is moving upward with a kinetic energy of 50 joules. what is the maximum height h reached by the ball? consider air friction to be negligible. 1. h ≈ 10 m 2. h ≈ 50 m 3. h ≈ 30 m 4. h ≈ 40 m 5. h ≈ 20 m 003 10.0 points which of the two object shown below has the greatest kinetic energy? a m b 1 2 m v 2v 1. kinetic energies are the same. 2. a 3. b 4. unable to determine. 004 10.0 points tim, with mass 74.6 kg, climbs a gymnasium rope a distance of 3.1 m. the acceleration of gravity is 9.8 m/s 2 . how much potential energy does tim gain? answer in units of j. 005 10.0 points a car is moving at 64 miles per hour. the kinetic energy of that car is 5 × 105 j. how much energy does the same car have when it moves at 111 miles per hour? answer in units of j. 006 10.0 points an 102 kg man climbs up a 1 m high flight of stairs. the acceleration of gravity is 9.81 m/s 2 . w
Answers: 3
Physics, 22.06.2019 10:00, squirrel6875
There are two-speed cameras, one in an are where the speed limit is 30 km/h and another where the speed limit is 50 km/h. in which will there be a smaller time interval between the photographs? explain your answer.
Answers: 1
Physics, 22.06.2019 10:30, antoinewill05
J. j. thomson’s experiment disproved the theory that an atom
Answers: 3
For the chemical reaction c2h6 --> c2h4 + h2 + 137kj, the chemical energy of the a. reactant and...
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