Jai-Anne who has a mass of 45 kilograms, climbed 3 m up a ladder to rescue her cat from a tree. How much work against gravity did she do?

If a car travels at 50 km per hour, how far will it go in 2.35 hours? (Show your work. Include the units in you answer.

Five grams of sugar is dissolved in 50 grams of water what is the mass of the water

Variation in neutrons of an atom will change the identity of the element. True False

You are driving a passenger car on a two-lane highway. unless otherwise posted, the speed limit is

Which results in an increase in power? A - doing more work in less time? B - doing more work in more time? C - doing less work in more time? D-doing less work in less time?

The doppler effect is the change in observed frequency due to

Which of the following is NOT a vector quantity? (A) Acceleration (B) Average velocity (C) Linear momentum (D) Potential energy (E) Force

Which of Newton's laws of motion is demonstrated by a hammer pounding a nail into a board

Heated air molecules in a hot air balloon soon carried thermal energy to the top of the balloon. this is an example of ... conduction. Convection. Radiation. Cooling.

When you are ice skating, to get started, you push your skate backwards on the ice and, as a result, begin to move forward. Which law of motion is being described in this scenario?