When determining the number of significant digits in a measurement,

a.

all zeros are significant.

b.

all nonzero digits are significant.

c.

all zeros between two nonzero digits are not significant.

d.

all nonzero digits are not significant.

The driver of a car slams on the brakes, causing the car to slow down at a rate of 26ft/s2 as the car skids 256ft to a stop. How long does the car take to stop? What was the car's initial speed? ft/s 4

Which of the following is the kinetic rate equation for the addition-elimination mechanism of nucleophilic aromatic substitution? rate = k[aryl halide] rate = k[nucleophile] rate = k[aryl halide][nucleophile] rate = k[aryl halide][nucleophile]2

A wheel originally rotating at 126 rad/s undergo a constant angular deceleration of 5.00rad/s. What is the angular speed after it has turned through an angel of 628 radians?

The highlighted part of this molecule is derived from ...

Which of the following describes the efficiency of real machines? A. Efficiency is 100% B. IMA is always larger than the AMA C. IMA is always smaller than the AMA D. IMA is equal to the AMA

A Blu-ray disc is approximately 11 centimeters in diameter. The drive motor of a Blu-ray player is able to rotate up to 10,000 revolutions per minute. (a) Find the maximum angular speed (in radians per second) of a Blu-ray disc as it rotates

A body has translatory motion if it moves along a

What is Nothing. (sorry i have been wondering this for a very long time)

What is the weight of a 15kg dog on earth?

Identify the scenario below as to whether they increase, decrease, or not change the frequency in which a string vibrates and thus change its pitch. Assume that no other changes are happening. 1. Tightening a string for greater tension 2.