A train increases from 100 km/h to 250 km/h in 5 min what is the acceleration

How does friction act as an unbalanced force for objects in motion?

An impulse always produces a change in A. momentum B. speed C. direction D. force

What are three ways synthetic polymers affect the environment? 1) Some synthetic polymers use materials from Earth that are nonrenewable. 2) They can end up as waste products that sometimes can't be recycled.

While on a bus a rider decides to get some exercise by jumping straight up. The bus speeds up to pass a car while the rider is in the air. Where wioo the rider land relative to her standing position?

A lead fishing weight with a mass of 57g absorbs 146 cal of heat. If its initial temperature is 47 degrees Celsius, what is its final temperature?

Which wave A or B has a higher energy

What does the law of conservation of energy state about energy in a closed system?

James joule carefully measured the difference in temperature of the water at the top and bottom of a waterfall. Why did he expect a difference

To change gross income, someone would need to? save more per month. reduce deductions. earn more money. increase withholdings.

An elevator (mass 4150 kg) is to be designed so that the maximum acceleration is 0.0800g. what is the maximum force the motor should exert on the supporting cable?