To determine power, it is necessary to know the A. energy required and the time it takes. B. amount of work and the distance covered. C. amount of work in a given time. D. distance and time it takes to do work.

Which two vectors add together to give a resultant with the smallest magnitude, and which two vectors add to give a resultant with the largest magnitude? in each case specify the magnitude and direction of the resultant?

You and your brother argue often about how to safely secure a toddler in a moving car. You insist that special toddler seats are critical in improving the chances of a toddler surviving a crash.

Which two objects have stored energy? 1. a ball rolling on the ground 2. a small rock sitting on top of a big rock 3. a stretched rubber band 4. a stone lying on the ground

White arctic hares blending in with the white snow in their enviorment is an example of what type of camoflauge? a. Hiding b. Protective resemblance c. Mimicry d. Protective coloration

The strength of the gravitational pull between two object's is determined by?

What kind of movement does the heat within the core and mantle directly generate?

Explain why Newton's first law of motion can be difficult to observe in moving objects?

No force is necessary to

A boat has a mass of 4040 kg. Its engines generate a drive force of 4660 N due west, while the wind exerts a force of 880 N due east and the water exerts a resistive force of 1400 N due east. Take west to be the positive direction.

Define the word projectile