List three clues that indicate a chemical change

If a substance cannot be physically separated into component parts, it is likely to be

How is the law of acceleration applied in accomplishing a task in relation to a person's ability and the effort exerted?

Which weighs more: A. A large bathtub filled to the brim with water B. A large bathtub filled to the brim with water with a battleship floating in it C. No difference: these two options weigh the same

A 500-kg roller coaster car travels with some initial velocity along a track that is 5 m above the ground. The car goes down a small hill and then coasts back up a higher hill. The second hill is 12 m above the ground.

What is the equation for finding the energy in an objects gravitational potential energy store

Find the magnitude of the force needed to accelerate a 280 g mass with a⃗ = - 0.170 m/s2 i^+0.450 m/s2 j^.

How is heat energy transferred from a warm object to a cold object there is direct contact? A. by radiation B. by conduction C. by the sun D. by convection

What was the year and location of james chadwick's experiment?

A symmetric projectile spends a total of 6 seconds in the air. How long does it take to reach its peak height? The projectile has a starting velocity of 8m/s.

A shipn sends out ultrasound that returns from the seabed and is detected after 5 seconds. if the speed of ultrasound through seawater is 1600 m/s what is the distance of the seabed from the ship?