A train travels 51 kilometers in 1 hours, and then 72 kilometers in 5 hours. What is its average speed?

As a wave travels through a medium it displaces particles in a direction parallel to the motion of the wave we conclude this a?

Give the approximate bond angle for a molecule with an octahedral shape. A) 109.5°B) 180°C) 120°D) 105°E) 90°

When a trebuchet counterweight is hoisted by soldiers, what form of energy is transferred into the machine as work?

What will be the long-term future of our Galaxy?

How much tension must a rope withstand if used to accelerate a 960-kg car from rest horizontally along a frictionless surface to 1.20 m/s in 5 seconds?

Object A with a mass of 500 kilograms hits stationary object B with a mass of 920 kilograms. If the collision is elastic, what happens after the collision? A) Both object A and object B move forward but with different velocities.

A young man walks daily through a gridded city section to visit his girlfriend, who lives m blocks East and nblocks North of where the young man resides.

Aliens from planet Moby have three alleles for skin color: R (red) W (white) and B (Blue). If all of these alleles are codominant and aliens on planet moby can only inherit two alleles for a gene, what are the six possible genotypes for skin color

The difference between two numbers is 15. When twice the smaller number is subtracted from three times the larger number, the difference is 58. What is the larger number?

Vector A makes equal angles with x, y and z axis. value of its components (in terms of magnitude of vector A will be?