Physics, 28.06.2019 04:10 xxchosenxx2954
Aball is thrown at an angle of 45° to the ground. if the ball lands 79 m away, what was the initial speed of the ball? (round the answer to the nearest whole number. g = 9.8 m/s2)
Answers: 1
Physics, 21.06.2019 14:30
A5 nc point charge is at the origin and a second 3 nc point charge is on the x-axis at x = 0.8 m. find the magnitude and direction of the electric field on the x-axs at x = 0.2 m. you may express the direction by letting positive field mean the positive x direction
Answers: 1
Physics, 21.06.2019 21:00
Mike walks 100 meter north, then walks 30 meters south. after this, he walks another 10 meters north. what is the magnitude of his total displacement during this walk,in meters?
Answers: 2
Physics, 22.06.2019 17:10
As the distance from a magnet increases, what happens to the magnet force?
Answers: 1
Physics, 22.06.2019 18:50
8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
Answers: 3
Aball is thrown at an angle of 45° to the ground. if the ball lands 79 m away, what was the initial...
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