A hard material is easily scratched. True False

A stubbor n, 120 kg mule sits down and refuses to move. To drag the mule to the ba rn, the exasperated far mer ties a rope around the mule and pulls with his maximum force of 800 N.

Two blocks are in contact on a frictionless, horizontal tabletop. An external force, F, is applied to block 1, and the two blocks are moving with a constant acceleration of 2.70 m/s2. Use M1 = 3.03 kg and M2 = 6.40 kg.

A raindrop, mysteriously, falling on the Moon, hits thesurface at 57.4 m/s. The Moon's gravity is 1.6 m/s/s. Determine thetime that the drop is falling.

An unknown fluid has a specific gravity of 0.750. What is the volume of 22.5 kg of this fluid? A. 10 L B. 20 L C. 30 L D. 40 L

A transform boundary is a place where geologic plates are formed geologic plates are melted geologic plates slide past each other geologic plates make mountains

A container, partially filled with water, is resting on a scale that measures its weight. Suppose you place a 200 g piece of wood inside the container filled with water. What happens to the scale reading?

Which is the best analogy of a wave? -A wave is like building a ramp. -A wave is like shaking a hand. -A wave is like water rippling in a pond. -A wave is like knocking down a building.

you can produce a sound by plucking a string or by blowing in a pipe. how are these two ways of producing sound are similar

What would provide specific information about the materials in the equipment used in a certain experiment

The wavelength of sound wave is 30 m. Frequency is 7 Hz. What is the wave speed