An echo sounder produces ultrasound of frequency 24kHz. The ultrasound travels in water at a speed of 1.5 km/s. What is the wavelength in water of ultrasound of this frequency?

a. 0.063 m
b. 16m
c. 36 m
d. 63m

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

According to valence bond theory, which orbitals overlap in the formation of the bond in hf according to valence bond theory, which orbitals overlap in the formation of the bond in hf 2s on h and 2p on f 1s on h and 2s on f 1s on h and 1p on f 1s on h and 2p on f 1s on h and 3p on f

Amother used 150 watts of power to raise a 15 newton object in a time interval of 8.0 seconds. through what vertical distance was the object raised ?