A sound wave of frequency 440 Hz is played by a musician. What is the

wavelength of this sound wave (the speed of sound is given as 343 m/s) ?

What is the speed of a bobsled whose whose distance time graph indicates that it traveled 113 m in 30 s

Which is an example of a polyatomic ion? H2 CO3- Mg+ Ne + -

Which sentences in this passage are true? Florida is prone to hurricanes. That is because the southern part of the state is covered in everglades.

When a postitive charge is placed in a electric field the field will

it would not be safe to connect the electric cooker hob to the mains electricity supply by plugging it into a standard power socket why

What force is needed to give a 0.25-kg arrow an acceleration of 196 m/s2? A. 0.25 N B. 49 N C. 196 N D. 748 N

When two or more pure substances are blended together the result is a?

10 PTS. A resistor has a value of 2.2 x 10⁵ Ω ± 20%. What is the range of possible values for this resistor?

Describe 3 uses of radioactivity isotopes

Two friends, barbara and neil, are out rollerblading. with respect to the ground, barbara is skating due south at a speed of 5.9 m/s. neil is in front of her. with respect to the ground, neil is skating due west at a speed of 1.4 m/s.