Acar starts from rest and accelerates from u seconds until it reaches a speed of 10ms the car then travels at 10ms for 2u seconds. the diagram shows the speed time graph for journey. the distance travlled by the car in the first 3u seconds is 125m a, find the value of u b, find the acceleration in the first u seconds ?
Answers: 1
Physics, 21.06.2019 22:30
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 22.06.2019 06:30
The energy of a photon was found to be 3.38 × 10–19 j. planck’s constant is 6.63 × 10–34 j • s. which color of light corresponds to this photon?
Answers: 2
Physics, 22.06.2019 10:30
Astone weighing 1.5 kilograms is resting on a rock at a height of 20 meters above the ground. the stone rolls down 10 meters and comes to rest on a patch of moss. the gravitational potential energy of the stone on the moss is joules.
Answers: 1
Acar starts from rest and accelerates from u seconds until it reaches a speed of 10ms the car then t...
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