A train travels 77 kilometers in 4 hours, and then 76 kilometers in 2 hours. What is its average speed?

Identify the situation where work is being done. A. Carrying a box of crayons across the room. B. Lifting a backpack off the floor C. Sitting on a stool D. Holding a football

What is the difference between weathering, erosion, and decomposition?

What is the formula for the speed of a car

13. Direct instruction takes place when A. children explore their surroundings and learn based on their own curiosity and interests. B. a skill set is explicitly taught or an activity is completed. C.

Energy enables an object to do work. Work is done when A) no force is put on an object, and the object does not move in any direction. B) a force is put on an object, but the object does not move in any direction.

Why does it hurt your hands when you carry heavy shopping in carrier bags?

Why did scientists choose carbon as a base for the atomic mass unit? Which isotope of carbon did they use?

What organelle is found in all animal cells and some plant cells

Basic of Archimedes's principle of how fluid can make body to float and sink.

A bullet is accelerated down the barrel of a gun by hot gases produced in the combustion of gun powder. What is the average force (in N) exerted on a 0.0500 kg bullet to accelerate it to a speed of 625 m/s in a time of 1.10 ms (milliseconds)