What concept was missing in peoples minds in the 16th century when they couldn’t believe Earth was moving?

Q: An oscillating simple pendulum has amplitude of oscillations at 0.14m and time period 2.5s. Calculat...

A: The angular frequency of the oscillation is

Q: Show that the vibration of a liquid in U tube are simple harmonic. Derive an expression for its freq...

A: Figure shows the uniform cross section of a U tube having area filled with liquid density . The vibr...

Q: Choose the BEST answer to the following:A hologram best illustrates(a) polarization.(b) diffraction....

A: Answer: di,e electron interference.

Q: what force is needed to give a 8800.0kg truck an acceleration of 8.5 m/s2 over a level road?

A: Given,Mass of the truck, m=8800kgAcceleration of the truck, a=8.5m/s2

Q: Choose the BEST answer to the following: In a circuit of two lamps in parallel, if the current in on...

A: Given that the two lamps are parallel and the current in one lamp is 2A.

Q: Hello, can you help me with this problem, all the parts, provide in-depth work. There are 4 total pa...

A: Click to see the answer

Q: Choose the BEST answer to the following. A radioactive sample has a half-life of 1 hour. Starting wi...

A: The number of half -life passed in a time is,

Q: Choose the BEST answer to the following. When food is exposed to gamma radiation, the food (a) becom...

A: Answer: bi,e doesn’t become radioactive.

Q: Choose the BEST answer to the following. When an element ejects an alpha particle, the atomic number...

A: Generally nuclear decay changes the number of protons in the nucleus of an atom and changes the elem...