A train travels 120 km in 2 hours and 30 minutes what is the average speed

What TWO properties of force can be shown using a force arrow?

Which of the following involves the emission of a particle that has the same mass of an electron with a positive charge. a. alpha decay c. positron emission b. beta decay d. nuclear forces

Complete the passage to describe the universal law of gravitation. The universal law of gravitation, written by Isaac, says that any two objects in the universe attract each other by a force called?

The height of an average adult person is closest to

Which electromagnetic wave transfers the least amount of energy?

A rocket, initially at rest on the ground, accelerates straight upward from rest with constant acceleration 58.8 m/s^2. The acceleration period lasts for time 8.00 s until the fuel is exhausted. After that, the rocket is in free fall.

Why are tyres of formula one is different from four wheels drive?

The slope of a velocity versus time graph gives

Which of the following describes subatomic particles? carbon and nitrogen solids, liquids, gases larger than atoms protons, neutrons, and electrons

What is the difference between speed and velocity? A) velocity describes speed with direction. B) there is no difference. C) Velocity describes direction with position. D) Velocity is used in space, while speed is used on earth.