Why is loud sound heard at resonance?
Q: A volleyball is spiked so that its incoming velocity of +4.45 m/s is changed to an outgoing velocity...
A: Given information:Mass of the basket ball (m) = 0.350 kgThe initial velocity of the ball (u) = + 4.4...
Q: Choose the best answer to the following: A rock suspended by a weighing scale weighs 5 N out of wate...
A: Answew: 2N
Q: Three charged particles are at the corners of an equilateral triangle as shown in the figure below. ...
A: Charges,Distance,
Q: Choose the BEST answer to the following: The magnetic field lines about a current-carrying wire form...
A: Answer: ai,e circles
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...
Q: Can you explain it to me please
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: What is meant by the period of a pendulum?
A: Click to see the answer
Q: Choose the BEST answer to the following: The period of a 10-Hz wave is (a) 1/10 s. (b) 1.0 s. (c) 10...
A: The relationship between period and frequency is