12. A boy of mass 50 kg running 5m/s jumps on to a 20kg trolley

travelling in the same direction at 1.5m/s. Find their common

velocity. Assume that there is no external unbalanced force

working in the horizontal direction.

A person Drove from 8am Tuesday to 5pm Wednesday. Total drive 396 miles. He have lunch for 30 min on Tuesday and sleep overnight from 7pm Tuesday and go back to drive at 5am Wednesday. On Wednesday he have 30 min for lunch.

A laptop computer uses 78.0 W of power. If it runs for 10.0 minutes how much energy does it use?

Suppose there is a sample of xenon in a sealed rectangular container. The gas exerts a total force of 6.05 N perpendicular to one of the container walls, whose dimensions are 0.121 m by 0.201 m. Calculate the pressure p of the sample.

What is potential energy? energy transferred as waves energy related to motion energy produced by moving electric charges energy associated with position or shape

Expresa en terminos de la unidad fundamental

What is matter in context clues

The metallic elements which all react in water are found in the: same group same period rare earth elements

How much work is required to move a box 5 meters across the floor with a force of 15N?

Why have plants in the alpine biome adapted to survive on limited nutrients?

At a molecular level, does plasma have more or less energy than other states of matter?