Which of the following is derived unit?

A: g (grams, mass)

B: m (meters, length)

C: s (seconds, time)

D: m2 (square meters, area)

What is the charge on a hypothetical ion with 35 protons and 37 electrons?

The boys tried a second experiment. They built a balloon car like the one seen here. As the gas in the balloon is released, the car moves. Ben and Dylan discovered that the bigger they blew up the balloon, the farther the car moved.

Find the unbalanced force required to accelerate a 6kg mass at 3ms

A 50.0 kg child stands at the rim of a merry-go-round of radius 1.95 m, rotating with an angular speed of 2.80 rad/s.

What's the definition of sound?

What are the optimal conditions for using a solar oven?

What is the magnifying power of an astronomical telescope using a reflecting mirror whose radius of curvature is 5.5 mm and an eyepiece whose focal length is 2.9 cmcm? Follow the sign conventions.

Who was the first person to observe a sign of molecular motion?

sled of mass m is given a kick on a frozen pond. The kick imparts to it an initial speed of 1.90 m/s. The coefficient of kinetic friction between sled and ice is 0.110. Use energy considerations to find the distance the sled moves before it stops.

Which of the following represents a heterygous genotype? A-YY B-yy C-Y^H Y^H D-Yy