Ball a has half the mass and eight times the kinetic energy of ball

b. what is the speed ratio va / vb?

A rope is stretched to a distance of 10 meters, and a single pulse is generated at one end. The time required for the wave to reach the other end of the rope was 2.0 s. What is the velocity of this pulse?

A box is at rest on a table. What can you say about the forces acting on the box? The upward ___ and the downward___ are balanced Applied force Frictional force Normal force Drag force Gravitational force Tension

A 35 n object is on a 25 degree incline. the force of friction up the incline is 8.0 N. -What is the acceleration of the block? -What is the coefficient of kinetic friction?

According to newton's second law of motion, force is equal to mass times acceleration. true or false.

Why do you think it is a driving force of weather around the world?

Some stars are so far away that their light hasn't reached Earth yet. A million years in the future, will the sources of light we see when we look up at night be the same? Why or Why not?

A sound wave travels through water. What best describes the direction of the water particles?

After heavy rains, the floodplain of a river can deposit sediment. The newly deposited soil is nutrient rich and would be good A. to use in a construction area. B. for growing vegetation and crops. C. for holding objects in the ground. D.

The mechanical vibrations triggered by sound waves are transduced into neural impulses by

What's the name of the "super continent" that broke up about 225 million years ago?