Let's say a 0.001kg bullet moves with a speed of 1500 m/s. A pitcher claims he can throw a 0.15 kg baseball with as much momentum as that bullet. How fast would he have to throw the ball for this to be true?

A wave has a wavelength of 8 mm and a frequency of 11 hertz. What is its speed? Your Answer:?

A passenger sitting in the rear of a bus claims that he was injured when the driver slammed on the brakes, causing a suitcase to come flying toward the passenger form the front of the bus.

A construction worker ascending at 6m/s in an open elevator 42 m above the ground drops a hammer. A. How long does it take the hammer to hit the ground? B. How fast is it moving when it hits the ground?

What does it mean for data to be reproducible? how would you conduct an experiment in such a way as to get data reproducible?

Which type of ooze dominates in warm shallow ocean floors? A. Calcareous B. Silieous

A 15.0 m long plane is inclined at 30.0 degrees. If the coefficient of friction is 0.426, what force is required to move a 40.0 kg mass from rest at the bottom on the plane to the top of the plane with a final velocity of 8.00 m/s?

In a pig-calling contest, a caller produces a sound with an intensity level of 60 db. how many such callers would be required to reach the pain level of 120 db? 2 incorrect: your answer is incorrect.

Why is the use of scientific names important in biology?

1) what is a calorie?

January 1st 37°F January 7th 48°F January 14th 52°F January 18th 51°F January 21st 45°F January 25th 41°F January 31st 55°F When looking at a data set of numbers, the mean is the average. Look at the table above.