Why is it important to consider experimental error in all the empirical results presented?

A person covers a distance of 320 miles in a travel time of 8 hours. What is the speed for this trip? A. 40 mi/hr B. 20 mi/hr C. 35 mi/hr D. 15 mi/hr

What is the mass of a crate if a net force of 12 N gives the crate an acceleration of 0.20 m/s2? 2.4 kg 6 kg 12.2 kg 60 kg

Why is it possible to throw a 0.145 kg baseball much further than a 7 kg bowling ball?

If two cars are identical except for the size of their engines, how will that affect their performance on the highway?

Give an example of an elastic and an inelastic collision:; State whether or not momentum and kinetic energy are conserved in each case.

How would you describe a heavy element to someone who doesn't know what it is?

Determine the change in velocity of a car that starts at rest and has a final velocity of 20 miles per second North

Wave energy can only be transmitted through a material medium. wave energy can only be transmitted through a material medium. a. True b. False

Suppose you increase your walking speed from 6m/s to 12 m/s in a period of 2 s

A roller coasters velocity at the top of the hill is 10 m/s. Two seconds later it reaches the bottom of the hill with a velocity of 26 m/s. What was the acceleration of the coaster