A student is trying to determine if a solution is acidic or basic. She does not have any litmus paper. Which would she most likely use to get a reading on her solution? vinegar soap cabbage juice aquarium water

David walks 3 km north, and then turns east and walks 4 km

Would thermal energy be greater at 0 C or 48 F

Identify four types of lava that form at hotspots and the characteristics of each type of lava.

When the brakes on his truck fail, the driver steers it up a runaway truck ramp. as the truck rolls up the ramp, it slows to a stop. what happens to the truck's kinetic energy, its energy of motion?

State a material that has poor thermal conductivity

If a 1.50 kg mass revolves at the end of a string 0.50 m long, and its tangential speed is 6.0 m/s, calculate the centripetal force.

Balanced forces can change an object's direction. A. True B. False

The state of matter that has particles that slide by one another

Temperature is usually measured in degrees with a (n)

Two lab carts are pushed together with a spring mechanism compressed between them. Upon release, the 5.0 kg cart repels one way with a velocity of 0.12 m/s. The 2.0 kg cart goes the other way. At what velocity does it travel?