Plz quick I'll give brainlest Which one of the following is wrong statement? A. All materials can transmit sound.

B. The speed of sound in stone is slower than in wool.

C. Sound cannot move in vacuum.

D. Sound loses its energy as it travels.

B. The speed of sound in stone is slower than in wool.

Explanation:

A. All materials can transmit sound. True

Solids, liquids and gases can transmit sound even though the degree of transmission varies.

C. Sounds cannot move in vacuum. True

Sound cannot transmit in space. You can prove it using the "bell jar" experiment.

D. Sound loses its energy as it travels. True

the speed of the cart after 3 seconds of low fan speed is ⇒ 54.0 cm/s.

the speed of the cart after 5 seconds of medium fan speed is ⇒ 120.0 cm/s.

the speed of the cart after 2 seconds of high fan speed is ⇒ 64.0 cm/s. 

just did the lab.

you get 2.3=1.21*\frac{a}2 or 4.6=1.21a or a=3.802 (b)

explanation: