Physics, 06.10.2019 06:30 areebaali1205
You and your dog are walking along a pond. your dog looks into the still water and is startled to see its reflection. which phenomenon is responsible for the appearance of the dog’s reflection on the water's surface? a. diffraction of water waves b. reflection of lightwaves c. refraction of lightwaves d. reflection of water waves e. refraction of water waves
Answers: 2
Physics, 22.06.2019 11:00
A0.580-kg rock is tied to the end of a string and is swung in a circle with a radius of 0.500 meters. the velocity of the rock is 4.50 m/s. what is the centripetal force acting on the rock? 15.5 n 5.22 n 69.8 n 23.5 n
Answers: 1
Physics, 22.06.2019 14:30
Exercise 2. find the wavelength of a photon emitted when an electron jumps from the n = 3 energy level down to the n = 2 energy level. where is this photon in the electromagnetic spectrum?
Answers: 3
Physics, 22.06.2019 22:00
On mars a rock falls an unknown vertical distance from a resting position and lands in a crater. if it takes the rock 2.5 seconds to fall, how high is the cliff the rock fell from? mars' surface gravity is 3.8 m/s2. a. 9.5 m b. 11.9 m c. 15.2 m d. 23.8 m
Answers: 1
Physics, 23.06.2019 00:30
If you let go of the notebook after lifting it, will it move? how?
Answers: 1
You and your dog are walking along a pond. your dog looks into the still water and is startled to se...
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