The mass attached to a string is moving in a circular pat...
The mass attached to a string is moving in a circular path. If the speed is doubled, the tension in the string will be
doubled
halved
four times as great
one-fourth as much
Correct answer is C
No explanation has been provided for this answer.
Which of the following statements about X-rays is correct? X-rays ...
What is the inductance (L) of an inductor whose reactance is 1Ω at 50/ π hertz (H)? ...
Heat is radiated by hot objects in the form? ...
Which of the following radiations has it's frequency lower than that of infrared radiation? ...