Some earthquake waves, a cat's purr, and elephant communications consist of ultrasonic waves.

True

False

A car is traveling in a straight path due east with a velocity of 8 meters per second. In a 10 second interval, how many meters will the car travel? A).80 mB) 2 mC) 18 mD) 80 m

What is the acceleration of a 3 kg rock that is thrown with a force of 18 N?

The chip thickness ratio is which one of the following: (tc = chip thickness after the cut, to = chip thickness before the cut, f = feed, d = depth, and w = width of cut) a. tc/to b. f/d c. to/tc d. to/w

The specific heat of copper is 0.39 j/g*degrees celcius how much heat is needed to raise the temperature of 1000.0 g of copper from 25.0 degrees celsius to 45.0 degrees celcius

Guilianna was absent from science class. She copied notes from a friend:

Will make Brainlest! <3 Metals are considered to be good conductors of heat. How do the specific heat values indicate this?

Which example identifies a change in motion that produces acceleration? choices are: 1. a speed skater moving at a constant speed on a straight track 2. a ball moving at a constant speed around a circular track 3.

Which of the following diagnostic procedures uses ultrasound?

Why is it easier to read black text on a white background than to read green text of any light color?

If object A has more mass than object B, does object A contain more matter? Explain.