A child on a spinning ride at a playground has a centripetal acceleration of 0.80 m/s2. The child completes a full circle every 4.2 s.

How far from the center of the ride is the child?

0.068 m

0.085 m

0.27 m

0.36 m

A kilometer is a measure of an object's

What is a nonconformity

How many nanoseconds are in one hour? How do you write the following in scientific notation? 2,560,000m

If a projectile fired beneath the water, straight up, breaks through the surface at a speed of 13m/s, to what height above the water will it ascend

An electron with a charge of - 1.6 * 10^-19 coulombs experiences a field of 1.4 * 10^5 newtons/coulomb. What is the magnitude of the electric force on this electron due to this field? A. 1.6 * 10^-3 newtons B. 1.4 * 10^24 newtons C. 2.

For glass fragments to be individualized, what must be true? A. They must fit together B. They must have the same density C. They must look the same D. They must be the same color

In what way would a digital thermometer be preferable to those from a liquid-based thermometer? Digital thermometer readings are easier to use when performing calculations.

Why does the core of the sun contain more helium and less hydrogen than the surface of the sun?

What happens to a light ray passing through the center of a lens?

A spider crawling across a table leaps onto a magazine blocking its path. The initial velocity of the spider is 0.870 m/s at an angle of 35.0° above the table, and it lands on the magazine 0.0770s after leaving the table. Ignore air resistance.