A submarine travels 25 km/h north for 3.2 hours. What is its displacement?

A.

7.8 km north

B.

28.2 km north

C.

80.0 km north

D.

253 km north

Unbalanced contact forces between several object would result in?

14) the formula k2s indicates that a) the potassium ion is twice the size of the sulfide ion b) sulfur and potassium form a covalent bond c) there are two potassium ions for each ion of sulfur d) there are two sulfur ions for each ion of potassium

Why does science exist? And what purpose does it serve?

Como calcular massa volume e densidade?

Estimate the speed at which your hair grows. give your answer as the nearest order of magnitude in meters per second.

Explain what happens to light when it is refracted at the surface of water.

A small car meshes with a large truck in a head-on collision. Which of the following statements concerning the magnitude of the momentum change during the collision is correct? (There could be more than one correct choice.

Consider the following distribution of objects: a 3.00-kg object with its center of gravity at (0, 0) m, a 4.20-kg object at (0, 6.00) m, and a 1.40-kg object at (1.00, 0) m. Where should a fourth object of mass 7.

A Volt/Amp Is Also Known As.?

What's the difference between mass & weight & how they are measured