An explosion occurs 340 km away. Given that sound travels at 340 m/s, the time the sound takes to reach you is

a. 1 s.

b. 10 s.

c. 100 s.

d. 200 s.

e. more than 200 s.

Which procedure is an attempt to correct a genetic disorder by replacing a mutated gene with a normal allele? a. selective breeding b. cloning c. artificial selection d. gene therapy

True or false nonnative species can harm some populations in an ecosystem?

What unbalanced force is required to accelerate a 1,500kg-race car at 3.0m/s2

On which surface would the toy car travel the farthest? ice carpet concrete wood

Why are bells made up of metals instead of wood?

A pendulum swings with amplitude. 02 m and period of 2 s what is its maximum speed

What bone cells respond to stress?

What are two ways that convention currents in the ocean distribute the suns energy?

A 535 kg roller coaster car began at rest at the top of a 93.0 m hill. Now it is at the top of the first loop-de-loop. This roller coaster's track is nearly frictionless, so resistance can be ignored. Using g = 9.

A bulldozer does 45,000 joules of work to push a boulder a distance of 30 meters. How much force is applied to push the?