A train travels 90 kilometers in 2 hours, and then 66 kilometers in 2 hours. What is its average speed?

A wire loop is placed inside a magnetic field. the magnetic flux is maximized when the angel between the field lines and the surface of the area of the wire loop is

What pair of atoms forms ionic bonds

Suppose you increase your walking speed from 5m/s to 14m/s in a period of 1. what is your acceleration?

If a steel, thin-shelled wheel of radius r and mass M is moving along the road at 2 m/s, what is the total kinetic energy? 1) 2M 2) 3M 3) 1M 4) 5M 5) 4M

Compare and contrast the 3 types of fossil fuels (Natural Gas, Oil, Coal) in terms of the pollution they produce.

A force is applied to a 2.8 kg mass and produces 3.9 m/s 2 acceleration. what acceleration would be produced by the same force applied to a 8.2 kg mass? answer in units of m/s 2.

When 2 objects collide and stick together this is referred to as

Fill in the blanks to complete each statement about the heating of Earth's surface. Earth takes in thermal energy from the Sun in a process called Sunlight strikes Earth's surface at different angles. This angle is called the angle of Done Intro

A 2.0-kg block is on a perfectly smooth (frictionless) ramp that makes an angle of 30^/circ30 ∘ with the horizontal. What is the force of the ramp on the block?

What is the difference between negative displacement and negative velocity?